7.8

CVE-2024-56596: jfs: fix array-index-out-of-bounds in jfs_readdir

Modified
AliasesUBUNTU-CVE-2024-56596DEBIAN-CVE-2024-56596
Published 27-12-2024Last modified 05-08-2026

Vulnerability summary

CVE-2024-56596 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 17.6% 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 60 · Related 57

Timeline

  1. 27-12-2024
    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 jfs_readdir The stbl might contain some invalid values. Added a check to return error code in that case.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.26%

Chance of exploitation in the next 30 days

Percentile

18%

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, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu135 products
  • linux< 3.13.0-209.260 | < 4.4.0-269.303 | < 4.15.0-238.250 | < 5.4.0-211.231 | < 5.15.0-135.146 | < 6.8.0-58.60
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 4.4.0-1144.150 | < 4.4.0-1182.197 | < 4.15.0-1181.194 | < 5.4.0-1142.152 | < 5.15.0-1080.87 | < 6.8.0-1027.29
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < b62f41aeec9d250144c53875b507c1d45ae8c8fc | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 97e693593162eef6851d232f0c8148169ed46a5c | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 9efe72eefd4c4a7ce63b3e4d667d766d2b360cb4 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < ff9fc48fab0e1ea0d423c23c99b91bba178f0b05 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < e7d376f94f72b020f84e77278b150ec1cc27502c | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 8ff7579554571d92e3deab168f5a7d7b146ed368 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 839f102efb168f02dfdd46717b7c6dddb26b015e | 2.6.12
  • linux_kernel< 5.4.287 | ≥ 5.5, < 5.10.231 | ≥ 5.11, < 5.15.174 | ≥ 5.16, < 6.1.120 | ≥ 6.2, < 6.6.66 | ≥ 6.7, < 6.12.5
Debian1 product
  • linux< 6.1.123-1 | < 6.12.5-1

3 vendors · 138 products

References

59 links
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