2.1

CVE-2009-2691: linux linux_kernel

Modified
Published 14-08-2009Last modified 07-08-2024

Vulnerability summary

CVE-2009-2691 is a low (CVSS 2.1) vulnerability in linux linux_kernel. EPSS estimates a 0.39% chance of exploitation in the next 30 days, higher than 33.5% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 2.1, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
2.1/10
010
Low · v2.0 (NVD)
EPSS score
0.39%
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 2
DSA-2005-1RHSA-2009:1540

Timeline

  1. 14-08-2009
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

The mm_for_maps function in fs/proc/base.c in the Linux kernel 2.6.30.4 and earlier allows local users to read (1) maps and (2) smaps files under proc/ via vectors related to ELF loading, a setuid process, and a race condition.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.39%

Chance of exploitation in the next 30 days

Percentile

34%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.39% 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 (CVSS vector). Other conditions: not stated in public data.

Linux1 product
  • linux_kernel≤ 2.6.30.4 | 2.6.30 | 2.6.30:rc1 | 2.6.30:rc2 | 2.6.30:rc3 | 2.6.30:rc5 | 2.6.30:rc6 | 2.6.30:rc7-git6 | 2.6.30.1 | 2.6.30.2

1 vendor · 1 product

References

17 links
Show all 17 references