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CVE-2005-2098

The KEYCTL_JOIN_SESSION_KEYRING operation in the Linux kernel before 2.6.12.5 contains an error...

5.0 Medium

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.

Exploit likelihood

3.20%Up 1.2 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

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.

Record
CVE-2005-2098
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2005-2098
Updated
2026-11-02
EUVDEUVD-2005-2099 No score

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.

Record
EUVD-2005-2099
Updated
2026-11-03
GitHub AdvisoriesGHSA-jq2v-2crc-w878 No score

The KEYCTL_JOIN_SESSION_KEYRING operation in the Linux kernel before 2.6.12.5 contains an error...

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.

Record
GHSA-jq2v-2crc-w878
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
kernel
Red Hat:enterprise_linux:4::as
From an advisory covering 19 CVEs
 before 0:2.6.9-22.EL
0:2.6.9-22.EL
kernel-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 19 CVEs
 before 0:2.6.9-22.EL
0:2.6.9-22.EL
kernel-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 19 CVEs
 before 0:2.6.9-22.EL
0:2.6.9-22.EL
kernel-doc
Red Hat:enterprise_linux:4::as
From an advisory covering 19 CVEs
 before 0:2.6.9-22.EL
0:2.6.9-22.EL
kernel-hugemem
Red Hat:enterprise_linux:4::as
From an advisory covering 19 CVEs
 before 0:2.6.9-22.EL
0:2.6.9-22.EL
kernel-hugemem-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 19 CVEs
 before 0:2.6.9-22.EL
0:2.6.9-22.EL
kernel-smp
Red Hat:enterprise_linux:4::as
From an advisory covering 19 CVEs
 before 0:2.6.9-22.EL
0:2.6.9-22.EL
kernel-smp-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 19 CVEs
 before 0:2.6.9-22.EL
0:2.6.9-22.EL
kernel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 19 CVEs
 before 0:2.6.9-22.EL
0:2.6.9-22.EL
kernel-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 19 CVEs
 before 0:2.6.9-22.EL
0:2.6.9-22.EL
Show 22 moreShow less
Affected packages
PackageAffectedFixed
kernel-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 19 CVEs
 before 0:2.6.9-22.EL
0:2.6.9-22.EL
kernel-doc
Red Hat:enterprise_linux:4::desktop
From an advisory covering 19 CVEs
 before 0:2.6.9-22.EL
0:2.6.9-22.EL
kernel-hugemem
Red Hat:enterprise_linux:4::desktop
From an advisory covering 19 CVEs
 before 0:2.6.9-22.EL
0:2.6.9-22.EL
kernel-hugemem-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 19 CVEs
 before 0:2.6.9-22.EL
0:2.6.9-22.EL
kernel-smp
Red Hat:enterprise_linux:4::desktop
From an advisory covering 19 CVEs
 before 0:2.6.9-22.EL
0:2.6.9-22.EL
kernel-smp-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 19 CVEs
 before 0:2.6.9-22.EL
0:2.6.9-22.EL
kernel
Red Hat:enterprise_linux:4::es
From an advisory covering 19 CVEs
 before 0:2.6.9-22.EL
0:2.6.9-22.EL
kernel-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 19 CVEs
 before 0:2.6.9-22.EL
0:2.6.9-22.EL
kernel-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 19 CVEs
 before 0:2.6.9-22.EL
0:2.6.9-22.EL
kernel-doc
Red Hat:enterprise_linux:4::es
From an advisory covering 19 CVEs
 before 0:2.6.9-22.EL
0:2.6.9-22.EL
kernel-hugemem
Red Hat:enterprise_linux:4::es
From an advisory covering 19 CVEs
 before 0:2.6.9-22.EL
0:2.6.9-22.EL
kernel-hugemem-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 19 CVEs
 before 0:2.6.9-22.EL
0:2.6.9-22.EL
kernel-smp
Red Hat:enterprise_linux:4::es
From an advisory covering 19 CVEs
 before 0:2.6.9-22.EL
0:2.6.9-22.EL
kernel-smp-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 19 CVEs
 before 0:2.6.9-22.EL
0:2.6.9-22.EL
kernel
Red Hat:enterprise_linux:4::ws
From an advisory covering 19 CVEs
 before 0:2.6.9-22.EL
0:2.6.9-22.EL
kernel-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 19 CVEs
 before 0:2.6.9-22.EL
0:2.6.9-22.EL
kernel-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 19 CVEs
 before 0:2.6.9-22.EL
0:2.6.9-22.EL
kernel-doc
Red Hat:enterprise_linux:4::ws
From an advisory covering 19 CVEs
 before 0:2.6.9-22.EL
0:2.6.9-22.EL
kernel-hugemem
Red Hat:enterprise_linux:4::ws
From an advisory covering 19 CVEs
 before 0:2.6.9-22.EL
0:2.6.9-22.EL
kernel-hugemem-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 19 CVEs
 before 0:2.6.9-22.EL
0:2.6.9-22.EL
kernel-smp
Red Hat:enterprise_linux:4::ws
From an advisory covering 19 CVEs
 before 0:2.6.9-22.EL
0:2.6.9-22.EL
kernel-smp-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 19 CVEs
 before 0:2.6.9-22.EL
0:2.6.9-22.EL

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2005-2098 is a medium vulnerability (CVSS 5.0) in Linux Kernel, published August 22, 2005. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.20%, the 88th percentile. No source names a fixed version.

References

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