CVE-2023-53815 posix-timers: Prevent RT livelock in itimer_delete()

In the Linux kernel, the following vulnerability has been resolved: posix-timers: Prevent RT livelock in itimerdelete itimerdelete has a retry loop when the timer is concurrently expired. On non-RT kernels this just spin-waits until the timer callback has completed, except for posix CPU timers...

CVE-2023-53815

In the Linux kernel, the following vulnerability has been resolved: posix-timers: Prevent RT livelock in itimerdelete itimerdelete has a retry loop when the timer is concurrently expired. On non-RT kernels this just spin-waits until the timer callback has completed, except for posix CPU timers...

CVE-2023-53815

CVE-2023-53815 affects the Linux kernel’s posix timers handling. It describes an RT livelock in itimer_delete() when the timer is concurrently expired; on non-RT kernels this retries by spin-waiting, except for posix CPU timers with HAVE_POSIX_CPU_TIMERS_TASK_WORK. The fix replaces a spin_unlock(...

CVE-2023-53781 smc: Fix use-after-free in tcp_write_timer_handler().

In the Linux kernel, the following vulnerability has been resolved: smc: Fix use-after-free in tcpwritetimerhandler. With Eric's ref tracker, syzbot finally found a repro for use-after-free in tcpwritetimerhandler by kernel TCP sockets. 0 If SMC creates a kernel socket in smccreate, the kernel...

CVE-2023-53781

CVE-2023-53781 (Linux kernel) : A use-after-free in the TCP timer path when an SMC kernel socket is created and freed; if the parent SMC socket is released with the inner TCP socket not in TCP_CLOSE, inet_csk_destroy_sock() is not called and TCP timers remain active, allowing a use-after-free in ...

CVE-2023-53781 smc: Fix use-after-free in tcp_write_timer_handler().

In the Linux kernel, the following vulnerability has been resolved: smc: Fix use-after-free in tcpwritetimerhandler. With Eric's ref tracker, syzbot finally found a repro for use-after-free in tcpwritetimerhandler by kernel TCP sockets. 0 If SMC creates a kernel socket in smccreate, the kernel...

PT-2025-49675

Name of the Vulnerable Software and Affected Versions Linux Kernel affected versions not specified Description The Linux kernel contains a flaw in the posix-timers functionality, specifically within the itimer delete function. A retry loop within this function, when handling concurrent timer...

PT-2025-49641

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.3.0-rc4-01174-gb5d54eb5899a 7 Description The Linux kernel contains a use-after-free issue within the tcp write timer handler function. This occurs when the SMC SMC socket creates a kernel socket and the kernel...

Linux Distros Unpatched Vulnerability : CVE-2023-53781

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smc: Fix use-after-free in tcpwritetimerhandler. With Eric's ref tracker, syzbot finally found a repro for use-after-free in tcpwritetimerhandler by kernel TCP...

Security update for the Linux Kernel

The SUSE Linux Enterprise 11 SP4 kernel was updated to fix various security issues The following security issues were fixed: CVE-2022-50116: Update config files. Disable NGSM bsc1244824 jscPED-8240. CVE-2022-50252: igb: Do not free qvector unless new one was allocated bsc1249846. CVE-2022-50381:...

SUSE-SU-2025:21179-1 Security update for the Linux Kernel

The SUSE Linux Enterprise Server 16.0 and SUSE Linux Micro 6.2 kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2024-53164: net: sched: fix ordering of qlen adjustment bsc1234863. - CVE-2024-57891: schedext: Fix invalid irq restore in...

CLSA-2025-1763991095 Fix of 25 CVEs

Focal update: v5.4.291 upstream stable release LP: 2106002 // CVE-2025-21772 - partitions: mac: fix handling of bogus partition table CVE-url: https://ubuntu.com/security/CVE-2025-22079 - ocfs2: validate ltreedepth to avoid out-of-bounds access CVE-url: https://ubuntu.com/security/CVE-2024-58014 ...

CLSA-2025-1763989962 Fix of 8 CVEs

CVE-url: https://ubuntu.com/security/CVE-2025-38352 - posix-cpu-timers: fix race between handleposixcputimers and posixcputimerdel CVE-url: https://ubuntu.com/security/CVE-2022-25265 - x86/elf: Add table to document READIMPLIESEXEC - x86/elf: Split READIMPLIESEXEC from executable PTGNUSTACK -...

kernel: mm: slub: avoid wake up kswapd in set_track_prepare

A deadlock lock recursion vulnerability exists in the linux kernel such that when CONFIGDEBUGOBJECTSTIMERS is set, may wake up kswapd in settrackprepare, and try to hold the percpuhrtimerbases lock...

EulerOS 2.0 SP13 : kernel (EulerOS-SA-2025-2447)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : KVM: VMX: Do all initialization before exposing /dev/kvm to userspaceCVE-2022-49932 drivers:md:fix a potential use-after-free bugCVE-2022-50022...

Mozilla Firefox ESR < 52.6

The version of Firefox ESR installed on the remote macOS or Mac OS X host is prior to 52.6. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2018-03 advisory. - A use-after-free vulnerability can occur during font face manipulation when a font face is freed while...

EulerOS 2.0 SP12 : kernel (EulerOS-SA-2025-2330)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : tracing: Add downwritetraceeventsem when adding trace eventCVE-2025-38539 tipc: fix null-ptr-deref when acquiring remote ip of ethernet...

Security update for the Linux Kernel

The SUSE Linux Enterprise Server 16.0 and SUSE Linux Micro 6.2 kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2024-53164: net: sched: fix ordering of qlen adjustment bsc1234863. CVE-2024-57891: schedext: Fix invalid irq restore in scxopsbypass...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989891)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989891 advisory. In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: fix race between handleposixcputimers and posixcputimerdel If an exiting...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990216)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990216 advisory. In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: fix race between handleposixcputimers and posixcputimerdel If an exiting...