5.5

CVE-2024-44938: linux Out-of-bounds Write

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2024-44938DEBIAN-CVE-2024-44938
Published 26-08-2024Last modified 11-05-2026
Open JSON

Vulnerability summary

CVE-2024-44938 is a medium (CVSS 5.5) Out-of-bounds Write vulnerability in linux. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 12.2% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.22%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 48 · Related 43
DLA-4008-1DLA-4178-1DSA-5782-1MGASA-2024-0309MGASA-2024-0310SUSE-SU-2024:3190-1

Timeline

  1. 26-08-2024
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: jfs: Fix shift-out-of-bounds in dbDiscardAG When searching for the next smaller log2 block, BLKSTOL2() returned 0, causing shift exponent -1 to be negative. This patch fixes the issue by exiting the loop directly when negative shift is found.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.22%

Chance of exploitation in the next 30 days

Percentile

12%

Versus all other CVEs

30-day change

0.00 pp

From 0.22% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.22%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu129 products
  • linuxAll versions (No fix recorded) | < 4.4.0-266.300 | < 4.15.0-235.247 | < 5.4.0-211.231 | < 5.15.0-135.146 | < 6.8.0-50.51
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 4.4.0-1141.147 | < 4.4.0-1179.194 | < 4.15.0-1178.191 | < 5.4.0-1142.152 | < 5.15.0-1080.87 | < 6.8.0-1020.22
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ b40c2e665cd552eae5fbdbb878bc29a34357668e, < bb7c605a754823b86dd74f6537ccb9d38a9dec5a | ≥ b40c2e665cd552eae5fbdbb878bc29a34357668e, < 4de2c04c3acd5b84f50b0d2f8f09e9b2f42374b9 | ≥ b40c2e665cd552eae5fbdbb878bc29a34357668e, < bd04a149e3a29e7f71b7956ed41dba34e42d539e | ≥ b40c2e665cd552eae5fbdbb878bc29a34357668e, < f650148b43949ca9e37e820804bb6026fff404f3 | ≥ b40c2e665cd552eae5fbdbb878bc29a34357668e, < 234e6ea0855cdb5673d54ecaf7dc5c78f3e84630 | ≥ b40c2e665cd552eae5fbdbb878bc29a34357668e, < 7063b80268e2593e58bee8a8d709c2f3ff93e2f2 | 3.7
  • linux_kernel< 6.6.47 | ≥ 6.7, < 6.10.6
Debian1 product
  • linux< 6.1.112-1 | < 6.10.6-1

3 vendors · 132 products

References

46 links
Show all 46 references