5

CVE-2005-2098: linux linux_kernel

Modified
Published 22-08-2005Last modified 07-08-2024

Vulnerability summary

CVE-2005-2098 is a medium (CVSS 5.0) vulnerability in linux linux_kernel. EPSS estimates a 3.20% chance of exploitation in the next 30 days, higher than 88.1% of scored vulnerabilities.

Priority
Routine

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

Source freshness unavailable

How is this decided?
CVSS score
5.0/10
010
Medium · v2.0 (NVD)
EPSS score
3.20%
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 1
RHSA-2005:514

Timeline

  1. 22-08-2005
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

The KEYCTL_JOIN_SESSION_KEYRING operation in the Linux kernel before 2.6.12.5 contains an error path that does not properly release the session management semaphore, which allows local users or remote attackers to cause a denial of service (semaphore hang) via a new session keyring (1) with an empty name string, (2) with a long name string, (3) with the key quota reached, or (4) ENOMEM.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

3.20%

Chance of exploitation in the next 30 days

Percentile

88%

Versus all other CVEs

30-day change

No change 0.00 pp

From 3.20% 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: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.

Linux1 product
  • linux_kernel2.6.0 | 2.6.0:test1 | 2.6.0:test10 | 2.6.0:test11 | 2.6.0:test2 | 2.6.0:test3 | 2.6.0:test4 | 2.6.0:test5 | 2.6.0:test6 | 2.6.0:test7 | 2.6.0:test8 | 2.6.0:test9 | 2.6.1 | 2.6.1:rc1 | 2.6.1:rc2 | 2.6.2 | 2.6.3 | 2.6.4 | 2.6.5 | 2.6.6 | 2.6.6:rc1 | 2.6.7 | 2.6.7:rc1 | 2.6.8 | 2.6.8:rc1 | 2.6.8:rc2 | 2.6.8:rc3 | 2.6.8.1 | 2.6.8.1.5 | 2.6.9:2.6.20 | 2.6.10 | 2.6.10:rc2 | 2.6.11 | 2.6.11:rc2 | 2.6.11:rc3 | 2.6.11:rc4 | 2.6.11.1 | 2.6.11.2 | 2.6.11.3 | 2.6.11.4 | 2.6.11.5 | 2.6.11.6 | 2.6.11.7 | 2.6.11.8 | 2.6.11_rc1_bk6 | 2.6.12:rc1 | 2.6.12:rc4 | 2.6_test9_cvs

1 vendor · 1 product

References

9 links