7.8

CVE-2023-52805: jfs: fix array-index-out-of-bounds in diAlloc

Modified
AliasesUBUNTU-CVE-2023-52805DEBIAN-CVE-2023-52805
Published 21-05-2024Last modified 05-08-2026

Vulnerability summary

CVE-2023-52805 is a high (CVSS 7.8) Improper Validation of Array Index vulnerability in linux. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 17.1% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.26%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 10 · Related 10
SUSE-SU-2024:2008-1SUSE-SU-2024:2011-1SUSE-SU-2024:2019-1SUSE-SU-2024:2189-1SUSE-SU-2024:2190-1SUSE-SU-2024:2571-1

Timeline

  1. 21-05-2024
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: jfs: fix array-index-out-of-bounds in diAlloc Currently there is not check against the agno of the iag while allocating new inodes to avoid fragmentation problem. Added the check which is required.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.26%

Chance of exploitation in the next 30 days

Percentile

17%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.26% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu117 products
  • linuxAll versions (No fix recorded) | < 5.4.0-173.191 | < 5.15.0-100.110
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.4.0-1120.130 | < 5.15.0-1056.61
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 2308d0fb0dc32446b4e6ca37cd09c30374bb64e9 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < cf7e3e84df36a9953796c737f080712f631d7083 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 7467ca10a5ff09b0e87edf6c4d2a4bfdee69cf2c | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 1ba7df5457dc1c1071c5f92ac11323533a6430e1 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 64f062baf202b82f54987a3f614a6c8f3e466641 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 8c68af2af697ba2ba3b138be0c6d72e2ce3a3d6d | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 665b44e55c2767a4f899c3b18f49e9e1c9983777 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 1708d0a9917fea579cc9da3d87b154285abd2cd8 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 05d9ea1ceb62a55af6727a69269a4fd310edf483 | 2.6.12
  • linux_kernel< 4.14.331 | ≥ 4.15, < 4.19.300 | ≥ 4.20, < 5.4.262 | ≥ 5.5, < 5.10.202 | ≥ 5.11, < 5.15.140 | ≥ 5.16, < 6.1.64 | ≥ 6.2, < 6.5.13 | ≥ 6.6, < 6.6.3
Debian1 product
  • linux< 6.1.64-1 | < 6.6.8-1

3 vendors · 120 products

References

13 links
Show all 13 references