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Fencer Vulns
high 7.8

CVE-2023-52602 json

jfs: fix slab-out-of-bounds Read in dtSearch

published 2024-03-06 2 y ago modified 2026-08-05 3 mo ago also EUVD-2023-57226

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 16%
public exploits
0
none known

Summary

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

jfs: fix slab-out-of-bounds Read in dtSearch

Currently while searching for current page in the sorted entry table of the page there is a out of bound access. Added a bound check to fix the error.

Dave: Set return code to -EIO

Patch / fix

  • Linux Linux 4.19.307, 5.4.269, 5.10.210, 5.15.149, 6.1.77, 6.6.16, 6.7.4, 6.8
  • linux linux_kernel 1b9d6828589d, 1c40ca3d39d7, 4.19.307, 5.4.269, 5.10.210, 5.15.149, 6.1.77, 6.6.16, 6.7.4, 6.8, 6c6a96c3d74d, 7110650b85dd, bff9d4078a23, cab0c265ba18, ce8bc22e9486, fa5492ee8946
  • linux Debian 12 6.1.82-1
  • linux Debian 14, Debian 13 6.7.7-1

debian advisories DEBIAN-CVE-2023-52602

  • linux Ubuntu 20.04 LTS 5.4.0-181.201
  • linux Ubuntu 22.04 LTS 5.15.0-106.116
  • linux-aws Ubuntu 20.04 LTS 5.4.0-1124.134
  • linux-aws Ubuntu 22.04 LTS 5.15.0-1061.67
  • linux-gcp Ubuntu 20.04 LTS 5.4.0-1128.137
  • linux-gcp Ubuntu 22.04 LTS 5.15.0-1059.67
  • linux-gke Ubuntu 22.04 LTS 5.15.0-1058.63
  • linux-ibm Ubuntu 20.04 LTS 5.4.0-1071.76

ubuntu advisories UBUNTU-CVE-2023-52602

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-azure SLE Module for Public Cloud 15 SP5, openSUSE Leap 15.5 5.14.21-150500.33.48.1
  • kernel-syms-azure SLE Module for Public Cloud 15 SP5, openSUSE Leap 15.5 5.14.21-150500.33.48.1
  • kernel-source-azure SLE Module for Public Cloud 15 SP5, openSUSE Leap 15.5 5.14.21-150500.33.48.1
  • dtb-aarch64 openSUSE Leap 15.5 5.14.21-150500.55.59.1
  • kernel-64kb SLE Module for Basesystem 15 SP5, openSUSE Leap 15.5 5.14.21-150500.55.59.1
  • kernel-syms SLE Module for Development Tools 15 SP5, openSUSE Leap 15.5 5.14.21-150500.55.59.1
  • kernel-obs-qa openSUSE Leap 15.5 5.14.21-150500.55.59.1
  • kernel-source SLE Module for Development Tools 15 SP5, SLE Module for Basesystem 15 SP5, openSUSE Leap 15.5 5.14.21-150500.55.59.1

suse advisories SUSE-SU-2024:1490-1SUSE-SU-2024:1480-1SUSE-SU-2024:1466-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-25-226-15 updated

Siemens SINEC OS

  • Siemens RUGGEDCOM RST2428P (6GK6242-6PA00) Siemens SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family Siemens SCALANCE XCM-/XRM-/XCH-/XRH-300 family
    not affected

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

red hat product security vex CVE-2023-52602 updated cvss 4.7

kernel: jfs: fix slab-out-of-bounds Read in dtSearch

  • Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more Red Hat Enterprise Linux 9 rv, perf, rtla, kernel, bpftool, libperf, +82 more
    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
2 y ago

Exploit prediction

0.25% chance of exploitation in the next 30 days, higher than 16% 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
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

Affected products

  • Linux Linux
  • linux linux_kernel

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption
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.