Race condition in the find_keyring_by_name function in security/keys/keyring.c in the Linux kernel 2.6.34-rc5 and earlier allows local users to cause a denial of service (memory corruption and system crash) or possibly have unspecified other impact via keyctl session commands that trigger access to a dead keyring that is undergoing deletion by the key_cleanup function.

Threat-Mapped Scoring

Score: 1.5

Priority: P4 - Informational (Low)

• S10 – Denial of Service

EPSS

Score: 0.00241
Percentile: 0.47304

CVSS Scoring

Mapped CWE(s)

• CWE-362 : Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
• CWE-416 : Use After Free

All CAPEC(s)

CAPEC(s) with Mapped TTPs

Mapped ATT&CK TTPs

Affected Products

• cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.34:rc1:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.34:rc2:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.34:rc3:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.34:rc4:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.34:rc5:*:*:*:*:*:*
• cpe:2.3:o:opensuse:opensuse:11.1:*:*:*:*:*:*:*
• cpe:2.3:o:suse:linux_enterprise_desktop:11:-:*:*:*:*:*:*
• cpe:2.3:o:suse:linux_enterprise_high_availability_extension:11:-:*:*:*:*:*:*
• cpe:2.3:o:suse:linux_enterprise_server:11:-:*:*:*:*:*:*
• cpe:2.3:o:debian:debian_linux:5.0:*:*:*:*:*:*:*

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