4

CVE-2011-3638: linux linux_kernel

Modified
AliasesRHSA-2012:0517UBUNTU-CVE-2011-3638
Published 01-03-2013Last modified 06-08-2024

Vulnerability summary

CVE-2011-3638 is a medium (CVSS 4.0) vulnerability in linux linux_kernel. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 29.7% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 4, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
4.0/10
010
Medium · v2.0 (NVD)
EPSS score
0.36%
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 3

Timeline

  1. 01-03-2013
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

fs/ext4/extents.c in the Linux kernel before 3.0 does not mark a modified extent as dirty in certain cases of extent splitting, which allows local users to cause a denial of service (system crash) via vectors involving ext4 umount and mount operations.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.36%

Chance of exploitation in the next 30 days

Percentile

30%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.36% 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

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: local access, no authentication (CVSS vector). Other conditions: not stated in public data.

Redhat18 products
  • kernel< 0:2.6.18-238.37.1.el5
  • kernel-debug< 0:2.6.18-238.37.1.el5
  • kernel-debug-debuginfo< 0:2.6.18-238.37.1.el5
  • kernel-debug-devel< 0:2.6.18-238.37.1.el5
  • kernel-debuginfo< 0:2.6.18-238.37.1.el5
Ubuntu7 products
  • linux< 3.11.0-12.19
  • linux-flo< 3.4.0-1.3
  • linux-goldfish< 3.4.0-1.9
  • linux-grouper< 3.1.10-8.28
  • linux-maguro< 3.0.0-3.18
Linux1 product

3 vendors · 26 products

References

15 links
Show all 15 references