CVE-2025-38352 posix-cpu-timers: fix race between handle_posix_cpu_timers() and posix_cpu_timer_del()

🗓️ 22 Jul 2025 08:04:25Reported by LinuxType

vulnrichment🔗 github.com👁 6 Views

Fix race between handle_posix_cpu_timers and posix_cpu_timer_del by checking tsk->exit_state in run_posix_cpu_timers.

Reporter	Title	Published	Views	Family All 611
GithubExploit	Exploit for Time-of-check Time-of-use (TOCTOU) Race Condition in Linux Linux_Kernel	19 Jan 202601:22	–	githubexploit
GithubExploit	Exploit for Time-of-check Time-of-use (TOCTOU) Race Condition in Linux Linux_Kernel	3 Jan 202616:52	–	githubexploit
GithubExploit	lpe-toolkit	21 May 202619:33	–	githubexploit
GithubExploit	Exploit for Time-of-check Time-of-use (TOCTOU) Race Condition in Linux Linux_Kernel	2 Jun 202615:13	–	githubexploit
GithubExploit	Exploit for Time-of-check Time-of-use (TOCTOU) Race Condition in Linux Linux_Kernel	24 Feb 202605:25	–	githubexploit
GithubExploit	Exploit for Time-of-check Time-of-use (TOCTOU) Race Condition in Linux Linux_Kernel	13 Sep 202610:12	–	githubexploit
GithubExploit	Exploit for Time-of-check Time-of-use (TOCTOU) Race Condition in Linux Linux_Kernel	30 May 202602:37	–	githubexploit
GithubExploit	Exploit for Time-of-check Time-of-use (TOCTOU) Race Condition in Linux Linux_Kernel	8 Jan 202614:14	–	githubexploit
IBM Security Bulletins	Security Bulletin: IBM TXSeries for Multiplatforms is affected by a Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability & a use-after-free (UAF) vulnerability found in Linux kernel packages.	9 Oct 202511:38	–	ibm
IBM Security Bulletins	Security Bulletin: IBM CICS TX Standard is affected by a Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability & a use-after-free (UAF) vulnerability found in Linux kernel packages.	14 Oct 202509:15	–	ibm

Source	Link
git	www.git.kernel.org/stable/c/2f3daa04a9328220de46f0d5c919a6c0073a9f0b
git	www.git.kernel.org/stable/c/764a7a5dfda23f69919441f2eac2a83e7db6e5bb
git	www.git.kernel.org/stable/c/c29d5318708e67ac13c1b6fc1007d179fb65b4d7
git	www.git.kernel.org/stable/c/2c72fe18cc5f9f1750f5bc148cf1c94c29e106ff
git	www.git.kernel.org/stable/c/460188bc042a3f40f72d34b9f7fc6ee66b0b757b
git	www.git.kernel.org/stable/c/f90fff1e152dedf52b932240ebbd670d83330eca
git	www.git.kernel.org/stable/c/78a4b8e3795b31dae58762bc091bb0f4f74a2200
git	www.git.kernel.org/stable/c/c076635b3a42771ace7d276de8dc3bc76ee2ba1b

05 Aug 2026 12:01Current

7.4High risk

Vulners AI Score7.4

CVSS 3.17.8

EPSS0.01297

SSVC

exit state check run posix cpu timers cpu timer del irq context exit notify race condition