CVE-2023-4622 json
Use-after-free in Linux kernel's af_unix component
published 2023-09-06 3 y ago modified 2026-09-17 52 d ago also EUVD-2023-54475
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 49%
- public exploits
- 0
- none known
Summary
A use-after-free vulnerability in the Linux kernel's af_unix component can be exploited to achieve local privilege escalation.
The unix_stream_sendpage() function tries to add data to the last skb in the peer's recv queue without locking the queue. Thus there is a race where unix_stream_sendpage() could access an skb locklessly that is being released by garbage collection, resulting in use-after-free.
We recommend upgrading past commit 790c2f9d15b594350ae9bca7b236f2b1859de02c (or backported equivalents).
Patch / fix
- Linux Kernel 4.14.324, 4.19.293, 5.4.255, 5.10.192, 5.15.128, 6.1.47, 6.4.12, 6.5
- linux Debian 12 6.1.52-1
- linux Debian 14, Debian 13 6.4.13-1
debian advisories DEBIAN-CVE-2023-4622
- linux Ubuntu 20.04 LTS 5.4.0-165.182
- linux Ubuntu 22.04 LTS 5.15.0-87.97
- linux-aws Ubuntu 20.04 LTS 5.4.0-1112.121
- linux-aws Ubuntu 22.04 LTS 5.15.0-1048.53
- linux-gcp Ubuntu 20.04 LTS 5.4.0-1116.125
- linux-gcp Ubuntu 22.04 LTS 5.15.0-1045.53
- linux-gke Ubuntu 22.04 LTS 5.15.0-1045.50
- linux-ibm Ubuntu 20.04 LTS 5.4.0-1059.64
ubuntu advisories UBUNTU-CVE-2023-4622
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- kernel RHEL 9 5.14.0-362.18.1.el9_3
- rv RHEL 9 5.14.0-362.18.1.el9_3
- perf RHEL 9 5.14.0-362.18.1.el9_3
- rtla RHEL 9 5.14.0-362.18.1.el9_3
- bpftool RHEL 9 7.2.0-362.18.1.el9_3
- libperf RHEL 9 5.14.0-362.18.1.el9_3
- kernel-rt RHEL 9 5.14.0-362.18.1.el9_3
- kernel-64k RHEL 9 5.14.0-362.18.1.el9_3
red hat advisories RHSA-2024:1306RHSA-2024:1250RHSA-2024:0461RHSA-2024:0439RHSA-2024:0448RHSA-2024:0412
- dtb-aarch64 openSUSE Leap 15.5 5.14.21-150500.55.31.1
- kernel-64kb SLE Module for Basesystem 15 SP5, openSUSE Leap 15.5 5.14.21-150500.55.31.1
- kernel-syms SLE Module for Development Tools 15 SP5, openSUSE Leap 15.5 5.14.21-150500.55.31.1
- kernel-obs-qa openSUSE Leap 15.5 5.14.21-150500.55.31.1
- kernel-source SLE Module for Development Tools 15 SP5, SLE Module for Basesystem 15 SP5, openSUSE Leap 15.5 5.14.21-150500.55.31.1
- kernel-default SLE Workstation Extension 15 SP5, SLE Module for Legacy 15 SP5, SLE Module for Basesystem 15 SP5 +4 more 5.14.21-150500.55.31.1
- kernel-kvmsmall openSUSE Leap 15.5 5.14.21-150500.55.31.1
- kernel-zfcpdump SLE Module for Basesystem 15 SP5, openSUSE Leap 15.5 5.14.21-150500.55.31.1
suse advisories SUSE-SU-2023:4872-1SUSE-SU-2023:4871-1SUSE-SU-2023:4866-1SUSE-SU-2023:4863-1SUSE-SU-2023:4862-1SUSE-SU-2023:4848-1
- kernel AlmaLinux 8 4.18.0-513.11.1.el8_9
- perf AlmaLinux 8 4.18.0-513.11.1.el8_9
- bpftool AlmaLinux 8 4.18.0-513.11.1.el8_9
- kernel-core AlmaLinux 8 4.18.0-513.11.1.el8_9
- kernel-tools AlmaLinux 8 4.18.0-513.11.1.el8_9
- python3-perf AlmaLinux 8 4.18.0-513.11.1.el8_9
- kernel-modules AlmaLinux 8 4.18.0-513.11.1.el8_9
- kernel-zfcpdump AlmaLinux 8 4.18.0-513.11.1.el8_9
almalinux advisories ALSA-2024:0113
- kernel-rt Rocky Linux 8 4.18.0-513.11.1.rt7.313.el8_9
rocky linux advisories RLSA-2024:0134
- kernel CBL-Mariner 2.0 5.15.131.1-2
- hyperv-daemons CBL-Mariner 2.0 5.15.135.1-1
azure linux advisories AZL-28679AZL-31642
Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2023-4622 updated cvss 6.6
kernel: use after free in unix_stream_sendpage
-
Red Hat Enterprise Linux 9 kernel-rt, kernel-rt-kvm, kernel-rt-core, kernel-rt-modules, kernel-rt-debug-kvm, kernel-rt-debug-core, +12 moreaffected: workaround, no fix available
-
Red Hat CodeReady Linux Builder (v. 8) kernel-debuginfo-common-x86_64 4.18.0-513.11.1.el8_9, kernel-debuginfo-common-aarch64 4.18.0-513.11.1.el8_9, kernel-debuginfo-common-ppc64le 4.18.0-513.11.1.el8_9fixed: vendor fix RHSA-2024:0113
-
Red Hat CodeReady Linux Builder (v. 9) libperf 5.14.0-362.18.1.el9_3, kernel-debuginfo-common-s390x 5.14.0-362.18.1.el9_3, kernel-debuginfo-common-x86_64 5.14.0-362.18.1.el9_3, kernel-debuginfo-common-aarch64 5.14.0-362.18.1.el9_3, kernel-debuginfo-common-ppc64le 5.14.0-362.18.1.el9_3fixed: vendor fix RHSA-2024:0461
-
Red Hat CodeReady Linux Builder EUS (v.8.6) kernel-debuginfo-common-x86_64 4.18.0-372.87.1.el8_6, kernel-debuginfo-common-aarch64 4.18.0-372.87.1.el8_6, kernel-debuginfo-common-ppc64le 4.18.0-372.87.1.el8_6fixed: vendor fix RHSA-2024:0412
-
Red Hat CodeReady Linux Builder EUS (v.8.8) kernel-debuginfo-common-x86_64 4.18.0-477.43.1.el8_8, kernel-debuginfo-common-aarch64 4.18.0-477.43.1.el8_8, kernel-debuginfo-common-ppc64le 4.18.0-477.43.1.el8_8fixed: vendor fix RHSA-2024:0575
-
Red Hat CodeReady Linux Builder EUS (v.9.0) kernel-debuginfo-common-s390x 5.14.0-70.93.2.el9_0, kernel-debuginfo-common-x86_64 5.14.0-70.93.2.el9_0, kernel-debuginfo-common-aarch64 5.14.0-70.93.2.el9_0, kernel-debuginfo-common-ppc64le 5.14.0-70.93.2.el9_0fixed: vendor fix RHSA-2024:1250
-
Red Hat CodeReady Linux Builder EUS (v.9.2) kernel-debuginfo-common-s390x 5.14.0-284.48.1.el9_2, kernel-debuginfo-common-x86_64 5.14.0-284.48.1.el9_2, kernel-debuginfo-common-aarch64 5.14.0-284.48.1.el9_2, kernel-debuginfo-common-ppc64le 5.14.0-284.48.1.el9_2fixed: vendor fix RHSA-2024:0448
-
Red Hat Enterprise Linux AppStream (v. 9) rv 5.14.0-362.18.1.el9_3, perf 5.14.0-362.18.1.el9_3, rtla 5.14.0-362.18.1.el9_3, kernel-devel-matched 5.14.0-362.18.1.el9_3, kernel-64k-devel-matched 5.14.0-362.18.1.el9_3, kernel-debug-devel-matched 5.14.0-362.18.1.el9_3, +6 morefixed: vendor fix RHSA-2024:0461
show 29 moreshow fewer
-
Red Hat Enterprise Linux AppStream EUS (v.9.0) perf 5.14.0-70.93.2.el9_0, kernel-devel-matched 5.14.0-70.93.2.el9_0, kernel-debug-devel-matched 5.14.0-70.93.2.el9_0, kernel-debuginfo-common-s390x 5.14.0-70.93.2.el9_0, kernel-zfcpdump-devel-matched 5.14.0-70.93.2.el9_0, kernel-debuginfo-common-x86_64 5.14.0-70.93.2.el9_0, +2 morefixed: vendor fix RHSA-2024:1250
-
Red Hat Enterprise Linux AppStream EUS (v.9.2) perf 5.14.0-284.48.1.el9_2, rtla 5.14.0-284.48.1.el9_2, kernel-devel-matched 5.14.0-284.48.1.el9_2, kernel-64k-devel-matched 5.14.0-284.48.1.el9_2, kernel-debug-devel-matched 5.14.0-284.48.1.el9_2, kernel-debuginfo-common-s390x 5.14.0-284.48.1.el9_2, +5 morefixed: vendor fix RHSA-2024:0448
-
Red Hat Enterprise Linux BaseOS (v. 8) perf 4.18.0-513.11.1.el8_9, kernel 4.18.0-513.11.1.el8_9, bpftool 4.18.0-513.11.1.el8_9, kernel-core 4.18.0-513.11.1.el8_9, kernel-tools 4.18.0-513.11.1.el8_9, python3-perf 4.18.0-513.11.1.el8_9, +17 morefixed: vendor fix RHSA-2024:0113
-
Red Hat Enterprise Linux BaseOS (v. 9) bpftool 7.2.0-362.18.1.el9_3, kernel 5.14.0-362.18.1.el9_3, kernel-64k 5.14.0-362.18.1.el9_3, kernel-core 5.14.0-362.18.1.el9_3, kernel-tools 5.14.0-362.18.1.el9_3, python3-perf 5.14.0-362.18.1.el9_3, +30 morefixed: vendor fix RHSA-2024:0461
-
Red Hat Enterprise Linux BaseOS AUS (v. 8.2) perf 4.18.0-193.120.1.el8_2, kernel 4.18.0-193.120.1.el8_2, bpftool 4.18.0-193.120.1.el8_2, kernel-core 4.18.0-193.120.1.el8_2, kernel-tools 4.18.0-193.120.1.el8_2, python3-perf 4.18.0-193.120.1.el8_2, +8 morefixed: vendor fix RHSA-2024:0403
-
Red Hat Enterprise Linux BaseOS AUS (v.8.4) perf 4.18.0-305.120.1.el8_4, kernel 4.18.0-305.120.1.el8_4, bpftool 4.18.0-305.120.1.el8_4, kernel-core 4.18.0-305.120.1.el8_4, kernel-tools 4.18.0-305.120.1.el8_4, python3-perf 4.18.0-305.120.1.el8_4, +8 morefixed: vendor fix RHSA-2024:0562
-
Red Hat Enterprise Linux BaseOS E4S (v. 8.2) perf 4.18.0-193.120.1.el8_2, kernel 4.18.0-193.120.1.el8_2, bpftool 4.18.0-193.120.1.el8_2, kernel-core 4.18.0-193.120.1.el8_2, kernel-tools 4.18.0-193.120.1.el8_2, python3-perf 4.18.0-193.120.1.el8_2, +13 morefixed: vendor fix RHSA-2024:0403
-
Red Hat Enterprise Linux BaseOS E4S (v.8.4) perf 4.18.0-305.120.1.el8_4, kernel 4.18.0-305.120.1.el8_4, bpftool 4.18.0-305.120.1.el8_4, kernel-core 4.18.0-305.120.1.el8_4, kernel-tools 4.18.0-305.120.1.el8_4, python3-perf 4.18.0-305.120.1.el8_4, +13 morefixed: vendor fix RHSA-2024:0562
-
Red Hat Enterprise Linux BaseOS EUS (v.8.6) perf 4.18.0-372.87.1.el8_6, kernel 4.18.0-372.87.1.el8_6, bpftool 4.18.0-372.87.1.el8_6, kernel-core 4.18.0-372.87.1.el8_6, kernel-tools 4.18.0-372.87.1.el8_6, python3-perf 4.18.0-372.87.1.el8_6, +19 morefixed: vendor fix RHSA-2024:0412
-
Red Hat Enterprise Linux BaseOS EUS (v.8.8) perf 4.18.0-477.43.1.el8_8, kernel 4.18.0-477.43.1.el8_8, bpftool 4.18.0-477.43.1.el8_8, kernel-core 4.18.0-477.43.1.el8_8, kernel-tools 4.18.0-477.43.1.el8_8, python3-perf 4.18.0-477.43.1.el8_8, +18 morefixed: vendor fix RHSA-2024:0575
-
Red Hat Enterprise Linux BaseOS EUS (v.9.0) kernel 5.14.0-70.93.2.el9_0, bpftool 5.14.0-70.93.2.el9_0, kernel-core 5.14.0-70.93.2.el9_0, kernel-tools 5.14.0-70.93.2.el9_0, python3-perf 5.14.0-70.93.2.el9_0, kernel-modules 5.14.0-70.93.2.el9_0, +19 morefixed: vendor fix RHSA-2024:1250
-
Red Hat Enterprise Linux BaseOS EUS (v.9.2) bpftool 7.0.0-284.48.1.el9_2, kernel 5.14.0-284.48.1.el9_2, kernel-64k 5.14.0-284.48.1.el9_2, kernel-core 5.14.0-284.48.1.el9_2, kernel-tools 5.14.0-284.48.1.el9_2, python3-perf 5.14.0-284.48.1.el9_2, +32 morefixed: vendor fix RHSA-2024:0448
-
Red Hat Enterprise Linux BaseOS TUS (v. 8.2) perf 4.18.0-193.120.1.el8_2, kernel 4.18.0-193.120.1.el8_2, bpftool 4.18.0-193.120.1.el8_2, kernel-core 4.18.0-193.120.1.el8_2, kernel-tools 4.18.0-193.120.1.el8_2, python3-perf 4.18.0-193.120.1.el8_2, +8 morefixed: vendor fix RHSA-2024:0403
-
Red Hat Enterprise Linux BaseOS TUS (v.8.4) perf 4.18.0-305.120.1.el8_4, kernel 4.18.0-305.120.1.el8_4, bpftool 4.18.0-305.120.1.el8_4, kernel-core 4.18.0-305.120.1.el8_4, kernel-tools 4.18.0-305.120.1.el8_4, python3-perf 4.18.0-305.120.1.el8_4, +8 morefixed: vendor fix RHSA-2024:0562
-
Red Hat Enterprise Linux Client (v. 7) perf 3.10.0-1160.118.1.el7, kernel 3.10.0-1160.118.1.el7, bpftool 3.10.0-1160.118.1.el7, python-perf 3.10.0-1160.118.1.el7, kernel-tools 3.10.0-1160.118.1.el7, kernel-tools-libs 3.10.0-1160.118.1.el7, +2 more Red Hat Enterprise Linux Client Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-1160.118.1.el7 Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-1160.118.1.el7fixed: vendor fix RHSA-2024:2004
-
Red Hat Enterprise Linux for Real Time (v. 7) kernel-rt 3.10.0-1160.118.1.rt56.1269.el7, kernel-rt-trace 3.10.0-1160.118.1.rt56.1269.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-1160.118.1.rt56.1269.el7fixed: vendor fix RHSA-2024:2003
-
Red Hat Enterprise Linux for Real Time (v. 8) kernel-rt 4.18.0-513.11.1.rt7.313.el8_9, kernel-rt-core 4.18.0-513.11.1.rt7.313.el8_9, kernel-rt-modules 4.18.0-513.11.1.rt7.313.el8_9, kernel-rt-debug-core 4.18.0-513.11.1.rt7.313.el8_9, kernel-rt-debug-modules 4.18.0-513.11.1.rt7.313.el8_9, kernel-rt-modules-extra 4.18.0-513.11.1.rt7.313.el8_9, +2 morefixed: vendor fix RHSA-2024:0134
-
Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt 3.10.0-1160.118.1.rt56.1269.el7, kernel-rt-kvm 3.10.0-1160.118.1.rt56.1269.el7, kernel-rt-trace 3.10.0-1160.118.1.rt56.1269.el7, kernel-rt-debug-kvm 3.10.0-1160.118.1.rt56.1269.el7, kernel-rt-trace-kvm 3.10.0-1160.118.1.rt56.1269.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-1160.118.1.rt56.1269.el7fixed: vendor fix RHSA-2024:2003
-
Red Hat Enterprise Linux NFV TUS (v.8.4) kernel-rt 4.18.0-305.120.1.rt7.196.el8_4, kernel-rt-kvm 4.18.0-305.120.1.rt7.196.el8_4, kernel-rt-core 4.18.0-305.120.1.rt7.196.el8_4, kernel-rt-modules 4.18.0-305.120.1.rt7.196.el8_4, kernel-rt-debug-kvm 4.18.0-305.120.1.rt7.196.el8_4, kernel-rt-debug-core 4.18.0-305.120.1.rt7.196.el8_4, +4 morefixed: vendor fix RHSA-2024:0563
-
Red Hat Enterprise Linux Real Time (v. 9) kernel-rt 5.14.0-362.18.1.el9_3, kernel-rt-core 5.14.0-362.18.1.el9_3, kernel-rt-modules 5.14.0-362.18.1.el9_3, kernel-rt-debug-core 5.14.0-362.18.1.el9_3, kernel-rt-modules-core 5.14.0-362.18.1.el9_3, kernel-rt-debug-modules 5.14.0-362.18.1.el9_3, +4 morefixed: vendor fix RHSA-2024:0461
-
Red Hat Enterprise Linux Real Time EUS (v.9.0) kernel-rt 5.14.0-70.93.1.rt21.165.el9_0, kernel-rt-core 5.14.0-70.93.1.rt21.165.el9_0, kernel-rt-modules 5.14.0-70.93.1.rt21.165.el9_0, kernel-rt-debug-core 5.14.0-70.93.1.rt21.165.el9_0, kernel-rt-debug-modules 5.14.0-70.93.1.rt21.165.el9_0, kernel-rt-modules-extra 5.14.0-70.93.1.rt21.165.el9_0, +2 morefixed: vendor fix RHSA-2024:1306
-
Red Hat Enterprise Linux Real Time EUS (v.9.2) kernel-rt 5.14.0-284.48.1.rt14.333.el9_2, kernel-rt-core 5.14.0-284.48.1.rt14.333.el9_2, kernel-rt-modules 5.14.0-284.48.1.rt14.333.el9_2, kernel-rt-debug-core 5.14.0-284.48.1.rt14.333.el9_2, kernel-rt-modules-core 5.14.0-284.48.1.rt14.333.el9_2, kernel-rt-debug-modules 5.14.0-284.48.1.rt14.333.el9_2, +4 morefixed: vendor fix RHSA-2024:0439
-
Red Hat Enterprise Linux Real Time for NFV (v. 8) kernel-rt 4.18.0-513.11.1.rt7.313.el8_9, kernel-rt-kvm 4.18.0-513.11.1.rt7.313.el8_9, kernel-rt-core 4.18.0-513.11.1.rt7.313.el8_9, kernel-rt-modules 4.18.0-513.11.1.rt7.313.el8_9, kernel-rt-debug-kvm 4.18.0-513.11.1.rt7.313.el8_9, kernel-rt-debug-core 4.18.0-513.11.1.rt7.313.el8_9, +4 morefixed: vendor fix RHSA-2024:0134
-
Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt 5.14.0-362.18.1.el9_3, kernel-rt-kvm 5.14.0-362.18.1.el9_3, kernel-rt-core 5.14.0-362.18.1.el9_3, kernel-rt-modules 5.14.0-362.18.1.el9_3, kernel-rt-debug-kvm 5.14.0-362.18.1.el9_3, kernel-rt-debug-core 5.14.0-362.18.1.el9_3, +6 morefixed: vendor fix RHSA-2024:0461
-
Red Hat Enterprise Linux Real Time for NFV EUS (v.9.0) kernel-rt 5.14.0-70.93.1.rt21.165.el9_0, kernel-rt-kvm 5.14.0-70.93.1.rt21.165.el9_0, kernel-rt-core 5.14.0-70.93.1.rt21.165.el9_0, kernel-rt-modules 5.14.0-70.93.1.rt21.165.el9_0, kernel-rt-debug-kvm 5.14.0-70.93.1.rt21.165.el9_0, kernel-rt-debug-core 5.14.0-70.93.1.rt21.165.el9_0, +4 morefixed: vendor fix RHSA-2024:1306
-
Red Hat Enterprise Linux Real Time for NFV EUS (v.9.2) kernel-rt 5.14.0-284.48.1.rt14.333.el9_2, kernel-rt-kvm 5.14.0-284.48.1.rt14.333.el9_2, kernel-rt-core 5.14.0-284.48.1.rt14.333.el9_2, kernel-rt-modules 5.14.0-284.48.1.rt14.333.el9_2, kernel-rt-debug-kvm 5.14.0-284.48.1.rt14.333.el9_2, kernel-rt-debug-core 5.14.0-284.48.1.rt14.333.el9_2, +6 morefixed: vendor fix RHSA-2024:0439
-
Red Hat Enterprise Linux Real Time for NFV TUS (v. 8.2) kernel-rt 4.18.0-193.120.1.rt13.171.el8_2, kernel-rt-kvm 4.18.0-193.120.1.rt13.171.el8_2, kernel-rt-core 4.18.0-193.120.1.rt13.171.el8_2, kernel-rt-modules 4.18.0-193.120.1.rt13.171.el8_2, kernel-rt-debug-kvm 4.18.0-193.120.1.rt13.171.el8_2, kernel-rt-debug-core 4.18.0-193.120.1.rt13.171.el8_2, +4 more Red Hat Enterprise Linux Real Time TUS (v. 8.2) kernel-rt 4.18.0-193.120.1.rt13.171.el8_2, kernel-rt-core 4.18.0-193.120.1.rt13.171.el8_2, kernel-rt-modules 4.18.0-193.120.1.rt13.171.el8_2, kernel-rt-debug-core 4.18.0-193.120.1.rt13.171.el8_2, kernel-rt-debug-modules 4.18.0-193.120.1.rt13.171.el8_2, kernel-rt-modules-extra 4.18.0-193.120.1.rt13.171.el8_2, +2 morefixed: vendor fix RHSA-2024:0402
-
Red Hat Enterprise Linux RT TUS (v.8.4) kernel-rt 4.18.0-305.120.1.rt7.196.el8_4, kernel-rt-core 4.18.0-305.120.1.rt7.196.el8_4, kernel-rt-modules 4.18.0-305.120.1.rt7.196.el8_4, kernel-rt-debug-core 4.18.0-305.120.1.rt7.196.el8_4, kernel-rt-debug-modules 4.18.0-305.120.1.rt7.196.el8_4, kernel-rt-modules-extra 4.18.0-305.120.1.rt7.196.el8_4, +2 morefixed: vendor fix RHSA-2024:0563
-
Red Hat Enterprise Linux Server (v. 7) perf 3.10.0-1160.118.1.el7, kernel 3.10.0-1160.118.1.el7, bpftool 3.10.0-1160.118.1.el7, python-perf 3.10.0-1160.118.1.el7, kernel-kdump 3.10.0-1160.118.1.el7, kernel-tools 3.10.0-1160.118.1.el7, +10 morefixed: vendor fix RHSA-2024:2004
6 more fixed, 2 more not affected in the full advisory
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
0.62% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.0 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Linux Kernel
Classification
- Weakness
-
- CWE-416 Use After Free
- Technology feeds
References
-
git.kernel.org
/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4821df2ffe38d629170edc266e65fa05970e0745
patch
-
git.kernel.org
/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-6.1.y&id=790c2f9d15b594350ae9bca7b236f2b1859de02c
patch, issue-tracking, mailing-list, vendor-advisory
-
kernel.dance
/790c2f9d15b594350ae9bca7b236f2b1859de02c
patch, vendor-advisory
-
debian.org
/security/2023/dsa-5492
third-party-advisory
-
lists.debian.org
/debian-lts-announce/2023/10/msg00027.html
mailing-list, third-party-advisory
-
packetstormsecurity.com
/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html
third-party-advisory
-
lists.debian.org
/debian-lts-announce/2024/01/msg00004.html
mailing-list, third-party-advisory
Sources
- CVE List CVE-2023-4622
- NVD CVE-2023-4622
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.