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Fencer Vulns
high 7.8

CVE-2023-53257 json

wifi: mac80211: check S1G action frame size

published 2025-09-15 13 mo ago modified 2026-08-05 3 mo ago also EUVD-2023-59827

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 11%
public exploits
0
none known

Summary

In the Linux kernel, the following vulnerability has been resolved:

wifi: mac80211: check S1G action frame size

Before checking the action code, check that it even exists in the frame.

Patch / fix

  • Linux Linux 5.15.133, 6.1.55, 6.5.5, 6.6
  • linux Debian 12 6.1.55-1
  • linux Debian 14, Debian 13 6.5.6-1

debian advisories DEBIAN-CVE-2023-53257

  • linux Ubuntu 22.04 LTS 5.15.0-94.104
  • linux-aws Ubuntu 22.04 LTS 5.15.0-1053.58
  • linux-gcp Ubuntu 22.04 LTS 5.15.0-1051.59
  • linux-gke Ubuntu 22.04 LTS 5.15.0-1050.55
  • linux-ibm Ubuntu 22.04 LTS 5.15.0-1046.49
  • linux-kvm Ubuntu 22.04 LTS 5.15.0-1050.55
  • linux-azure Ubuntu 22.04 LTS 5.15.0-1056.64
  • linux-gkeop Ubuntu 22.04 LTS 5.15.0-1036.42

ubuntu advisories UBUNTU-CVE-2023-53257

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 8 4.18.0-553.82.1.el8_10
  • perf RHEL 8 4.18.0-553.82.1.el8_10
  • bpftool RHEL 8 4.18.0-553.82.1.el8_10
  • kernel-core RHEL 8 4.18.0-553.82.1.el8_10
  • kernel-tools RHEL 8 4.18.0-553.82.1.el8_10
  • python3-perf RHEL 8 4.18.0-553.82.1.el8_10
  • kernel-modules RHEL 8 4.18.0-553.82.1.el8_10
  • kernel-zfcpdump RHEL 8 4.18.0-553.82.1.el8_10

red hat advisories RHSA-2025:22124RHSA-2025:22095RHSA-2025:22006RHSA-2025:21136RHSA-2025:21091RHSA-2025:21083

  • kernel-rt Real Time Module 15 SP7 6.4.0-150700.7.22.1
  • kernel-syms-rt Real Time Module 15 SP7 6.4.0-150700.7.22.1
  • kernel-source-rt Real Time Module 15 SP7 6.4.0-150700.7.22.1
  • kernel-azure SLE Module for Public Cloud 15 SP7 6.4.0-150700.20.18.1
  • kernel-syms-azure SLE Module for Public Cloud 15 SP7 6.4.0-150700.20.18.1
  • kernel-source-azure SLE Module for Public Cloud 15 SP7 6.4.0-150700.20.18.1
  • kernel-64kb SLE Module for Basesystem 15 SP7 6.4.0-150700.53.22.1
  • kernel-syms SLE Module for Development Tools 15 SP7 6.4.0-150700.53.22.1

suse advisories SUSE-SU-2026:1049-1SUSE-SU-2026:1039-1SUSE-SU-2026:1002-1SUSE-SU-2026:1000-1SUSE-SU-2025:4141-1SUSE-SU-2025:4132-1

  • kernel-rt AlmaLinux 8 4.18.0-553.82.1.rt7.423.el8_10
  • kernel-rt-core AlmaLinux 8 4.18.0-553.82.1.rt7.423.el8_10
  • kernel-rt-modules AlmaLinux 8 4.18.0-553.82.1.rt7.423.el8_10
  • kernel-rt-debug-core AlmaLinux 8 4.18.0-553.82.1.rt7.423.el8_10
  • kernel-rt-debug-modules AlmaLinux 8 4.18.0-553.82.1.rt7.423.el8_10
  • kernel-rt-modules-extra AlmaLinux 8 4.18.0-553.82.1.rt7.423.el8_10
  • kernel-rt-debug-modules-extra AlmaLinux 8 4.18.0-553.82.1.rt7.423.el8_10
  • kernel AlmaLinux 8 4.18.0-553.82.1.el8_10

almalinux advisories ALSA-2025:19440ALSA-2025:19447

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-2023-53257 updated cvss 7.5

kernel: wifi: mac80211: check S1G action frame size

  • Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more
    affected: workaround, no fix planned “To mitigate this issue, prevent module mac80211 from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.”
  • Red Hat Enterprise Linux 9 rv, perf, rtla, kernel, bpftool, libperf, +83 more
    affected: workaround, no fix available “To mitigate this issue, prevent module mac80211 from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.”
  • Red Hat Enterprise Linux AppStream E4S (v.9.0) perf 5.14.0-70.153.1.el9_0, kernel-devel-matched 5.14.0-70.153.1.el9_0, kernel-debug-devel-matched 5.14.0-70.153.1.el9_0, kernel-debuginfo-common-s390x 5.14.0-70.153.1.el9_0, kernel-zfcpdump-devel-matched 5.14.0-70.153.1.el9_0, kernel-debuginfo-common-x86_64 5.14.0-70.153.1.el9_0, +2 more
    fixed: vendor fix “To mitigate this issue, prevent module mac80211 from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:21091
  • Red Hat Enterprise Linux AppStream E4S (v.9.2) perf 5.14.0-284.148.1.el9_2, rtla 5.14.0-284.148.1.el9_2, kernel-devel-matched 5.14.0-284.148.1.el9_2, kernel-64k-devel-matched 5.14.0-284.148.1.el9_2, kernel-debug-devel-matched 5.14.0-284.148.1.el9_2, kernel-debuginfo-common-s390x 5.14.0-284.148.1.el9_2, +5 more
    fixed: vendor fix “To mitigate this issue, prevent module mac80211 from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:22095
  • Red Hat Enterprise Linux BaseOS (v. 8) perf 4.18.0-553.82.1.el8_10, kernel 4.18.0-553.82.1.el8_10, bpftool 4.18.0-553.82.1.el8_10, kernel-core 4.18.0-553.82.1.el8_10, kernel-tools 4.18.0-553.82.1.el8_10, python3-perf 4.18.0-553.82.1.el8_10, +15 more
    fixed: vendor fix “To mitigate this issue, prevent module mac80211 from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:19447
  • Red Hat Enterprise Linux BaseOS AUS (v.8.6) perf 4.18.0-372.170.1.el8_6, kernel 4.18.0-372.170.1.el8_6, bpftool 4.18.0-372.170.1.el8_6, kernel-core 4.18.0-372.170.1.el8_6, kernel-tools 4.18.0-372.170.1.el8_6, python3-perf 4.18.0-372.170.1.el8_6, +8 more Red Hat Enterprise Linux BaseOS E4S (v.8.6) perf 4.18.0-372.170.1.el8_6, kernel 4.18.0-372.170.1.el8_6, bpftool 4.18.0-372.170.1.el8_6, kernel-core 4.18.0-372.170.1.el8_6, kernel-tools 4.18.0-372.170.1.el8_6, python3-perf 4.18.0-372.170.1.el8_6, +15 more
    fixed: vendor fix “To mitigate this issue, prevent module mac80211 from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:22006
  • Red Hat Enterprise Linux BaseOS E4S (v.8.8) perf 4.18.0-477.118.1.el8_8, kernel 4.18.0-477.118.1.el8_8, bpftool 4.18.0-477.118.1.el8_8, kernel-core 4.18.0-477.118.1.el8_8, kernel-tools 4.18.0-477.118.1.el8_8, python3-perf 4.18.0-477.118.1.el8_8, +9 more
    fixed: vendor fix “To mitigate this issue, prevent module mac80211 from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:21083
  • Red Hat Enterprise Linux BaseOS E4S (v.9.0) kernel 5.14.0-70.153.1.el9_0, bpftool 5.14.0-70.153.1.el9_0, kernel-core 5.14.0-70.153.1.el9_0, kernel-tools 5.14.0-70.153.1.el9_0, python3-perf 5.14.0-70.153.1.el9_0, kernel-modules 5.14.0-70.153.1.el9_0, +14 more
    fixed: vendor fix “To mitigate this issue, prevent module mac80211 from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:21091
show 9 more
  • Red Hat Enterprise Linux BaseOS E4S (v.9.2) bpftool 7.0.0-284.148.1.el9_2, kernel 5.14.0-284.148.1.el9_2, kernel-64k 5.14.0-284.148.1.el9_2, kernel-core 5.14.0-284.148.1.el9_2, kernel-tools 5.14.0-284.148.1.el9_2, python3-perf 5.14.0-284.148.1.el9_2, +28 more
    fixed: vendor fix “To mitigate this issue, prevent module mac80211 from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:22095
  • Red Hat Enterprise Linux BaseOS TUS (v.8.6) perf 4.18.0-372.170.1.el8_6, kernel 4.18.0-372.170.1.el8_6, bpftool 4.18.0-372.170.1.el8_6, kernel-core 4.18.0-372.170.1.el8_6, kernel-tools 4.18.0-372.170.1.el8_6, python3-perf 4.18.0-372.170.1.el8_6, +8 more
    fixed: vendor fix “To mitigate this issue, prevent module mac80211 from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:22006
  • Red Hat Enterprise Linux BaseOS TUS (v.8.8) perf 4.18.0-477.118.1.el8_8, kernel 4.18.0-477.118.1.el8_8, bpftool 4.18.0-477.118.1.el8_8, kernel-core 4.18.0-477.118.1.el8_8, kernel-tools 4.18.0-477.118.1.el8_8, python3-perf 4.18.0-477.118.1.el8_8, +8 more
    fixed: vendor fix “To mitigate this issue, prevent module mac80211 from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:21083
  • Red Hat Enterprise Linux CRB (v. 8) kernel-debuginfo-common-x86_64 4.18.0-553.82.1.el8_10, kernel-debuginfo-common-aarch64 4.18.0-553.82.1.el8_10, kernel-debuginfo-common-ppc64le 4.18.0-553.82.1.el8_10
    fixed: vendor fix “To mitigate this issue, prevent module mac80211 from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:19447
  • Red Hat Enterprise Linux NFV (v. 8) kernel-rt 4.18.0-553.82.1.rt7.423.el8_10, kernel-rt-kvm 4.18.0-553.82.1.rt7.423.el8_10, kernel-rt-core 4.18.0-553.82.1.rt7.423.el8_10, kernel-rt-modules 4.18.0-553.82.1.rt7.423.el8_10, kernel-rt-debug-kvm 4.18.0-553.82.1.rt7.423.el8_10, kernel-rt-debug-core 4.18.0-553.82.1.rt7.423.el8_10, +4 more
    fixed: vendor fix “To mitigate this issue, prevent module mac80211 from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:19440
  • Red Hat Enterprise Linux NFV E4S (v.9.0) kernel-rt 5.14.0-70.153.1.rt21.225.el9_0, kernel-rt-kvm 5.14.0-70.153.1.rt21.225.el9_0, kernel-rt-core 5.14.0-70.153.1.rt21.225.el9_0, kernel-rt-modules 5.14.0-70.153.1.rt21.225.el9_0, kernel-rt-debug-kvm 5.14.0-70.153.1.rt21.225.el9_0, kernel-rt-debug-core 5.14.0-70.153.1.rt21.225.el9_0, +4 more Red Hat Enterprise Linux Real Time E4S (v.9.0) kernel-rt 5.14.0-70.153.1.rt21.225.el9_0, kernel-rt-core 5.14.0-70.153.1.rt21.225.el9_0, kernel-rt-modules 5.14.0-70.153.1.rt21.225.el9_0, kernel-rt-debug-core 5.14.0-70.153.1.rt21.225.el9_0, kernel-rt-debug-modules 5.14.0-70.153.1.rt21.225.el9_0, kernel-rt-modules-extra 5.14.0-70.153.1.rt21.225.el9_0, +2 more
    fixed: vendor fix “To mitigate this issue, prevent module mac80211 from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:21136
  • Red Hat Enterprise Linux Real Time E4S (v.9.2) kernel-rt 5.14.0-284.148.1.rt14.433.el9_2, kernel-rt-core 5.14.0-284.148.1.rt14.433.el9_2, kernel-rt-modules 5.14.0-284.148.1.rt14.433.el9_2, kernel-rt-debug-core 5.14.0-284.148.1.rt14.433.el9_2, kernel-rt-modules-core 5.14.0-284.148.1.rt14.433.el9_2, kernel-rt-debug-modules 5.14.0-284.148.1.rt14.433.el9_2, +4 more Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2) kernel-rt 5.14.0-284.148.1.rt14.433.el9_2, kernel-rt-kvm 5.14.0-284.148.1.rt14.433.el9_2, kernel-rt-core 5.14.0-284.148.1.rt14.433.el9_2, kernel-rt-modules 5.14.0-284.148.1.rt14.433.el9_2, kernel-rt-debug-kvm 5.14.0-284.148.1.rt14.433.el9_2, kernel-rt-debug-core 5.14.0-284.148.1.rt14.433.el9_2, +6 more
    fixed: vendor fix “To mitigate this issue, prevent module mac80211 from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:22124
  • Red Hat Enterprise Linux RT (v. 8) kernel-rt 4.18.0-553.82.1.rt7.423.el8_10, kernel-rt-core 4.18.0-553.82.1.rt7.423.el8_10, kernel-rt-modules 4.18.0-553.82.1.rt7.423.el8_10, kernel-rt-debug-core 4.18.0-553.82.1.rt7.423.el8_10, kernel-rt-debug-modules 4.18.0-553.82.1.rt7.423.el8_10, kernel-rt-modules-extra 4.18.0-553.82.1.rt7.423.el8_10, +2 more
    fixed: vendor fix “To mitigate this issue, prevent module mac80211 from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.” RHSA-2025:19440
  • Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more Red Hat Enterprise Linux 10 kernel
    not affected: vulnerable code not present

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

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
9 mo ago

Exploit prediction

0.21% chance of exploitation in the next 30 days, higher than 11% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.1 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
CISA ADP 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 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Linux Linux

Classification

Technology feeds

References

Sources

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.