Race condition in run_posix_cpu_timers in Linux kernel before 2.6.16.21 allows local users to cause a denial of service (BUG_ON crash) by…

Description

Race condition in run_posix_cpu_timers in Linux kernel before 2.6.16.21 allows local users to cause a denial of service (BUG_ON crash) by causing one CPU to attach a timer to a process that is exiting.

Scores

EPSS (exploitation in 30 days)

0.38% · top 68% of all CVEs (5 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.0.

Weakness

• n/a

Affected products

• n/a

  • affected n/a

References (18)

• 20703 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• ADV-2006-2451 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• SUSE-SA:2006:042 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• 20060623 rPSA-2006-0110-1 kernel (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• 26947 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
• linux-runposixcputimers-dos(27380) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
• MDKSA-2006:123 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• MDKSA-2006:151 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• [linux-kernel] 20060613 [RFC][PATCH] Avoid race w/ posix-cpu-timer and exiting tasks (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• 2006-0037 (opens in a new tab)vendor-advisoryx_refsource_TRUSTIXx_transferred
• USN-311-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.16.21 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 18615 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=30f1e3dd8c72abda343bcf415f7d8894a02b4290 (opens in a new tab)x_refsource_MISCx_transferred
• 20831 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 21045 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 20991 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 21179 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2006-2445](https://trackcve.app/badge/CVE-2006-2445.svg)](https://trackcve.app/cve/CVE-2006-2445)

Record last updated 7 Aug 2024, 17:51 UTC.