CVE-2025-39900 net_sched: gen_estimator: fix est_timer() vs CONFIG_PREEMPT_RT=y

In the Linux kernel, the following vulnerability has been resolved: netsched: genestimator: fix esttimer vs CONFIGPREEMPTRT=y syzbot reported a WARNING in esttimer 1 Problem here is that with CONFIGPREEMPTRT=y, timer callbacks can be preempted. Adopt preemptdisablenested/preemptenablenested to fi...

CVE-2025-39900 net_sched: gen_estimator: fix est_timer() vs CONFIG_PREEMPT_RT=y

In the Linux kernel, the following vulnerability has been resolved: netsched: genestimator: fix esttimer vs CONFIGPREEMPTRT=y syzbot reported a WARNING in esttimer 1 Problem here is that with CONFIGPREEMPTRT=y, timer callbacks can be preempted. Adopt preemptdisablenested/preemptenablenested to fi...

CVE-2023-53395

In the Linux kernel, the following vulnerability has been resolved: ACPICA: Add AMLNOOPERANDRESOLVE flag to Timer ACPICA commit 90310989a0790032f5a0140741ff09b545af4bc5 According to the ACPI specification 19.6.134, no argument is required to be passed for ASL Timer instruction. For taking care of...

SUSE CVE-2025-39833

In the Linux kernel, the following vulnerability has been resolved: mISDN: hfcpci: Fix warning when deleting uninitialized timer With CONFIGDEBUGOBJECTSTIMERS unloading hfcpci module leads to the following splat: 250.215892 ODEBUG: assertinit not available active state 0 object: ffffffffc01a3dc0...

CVE-2025-39765

CVE-2025-39765 affects Linux kernel ALSA timer handling. The issue is in snd_utimer_create() where, if kasprintf() returns NULL, snd_utimer_put_id() frees an ID that was never allocated, leading to ida_free() being called on id=0. The root cause is that utimer->id is not guaranteed to be valid...

CVE-2025-39765 ALSA: timer: fix ida_free call while not allocated

In the Linux kernel, the following vulnerability has been resolved: ALSA: timer: fix idafree call while not allocated In the sndutimercreate function, if the kasprintf function return NULL, sndutimerputid will be called, finally use idafree to free the unallocated id 0. the syzkaller reported the...

PT-2025-37223

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.15.8 Description: A flaw exists in the Linux kernel's ALSA timer functionality. Specifically, within the snd utimer create function, a potential issue arises if the kasprintf function returns NULL. This can le...

CVE-2025-38105 ALSA: usb-audio: Kill timer properly at removal

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Kill timer properly at removal The USB-audio MIDI code initializes the timer, but in a rare case, the driver might be freed without the disconnect call. This leaves the timer in an active state while the assigned...

kernel: rcu/kvfree: Fix data-race in __mod_timer / kvfree_call_rcu

In the Linux kernel, the following vulnerability has been resolved: rcu/kvfree: Fix data-race in modtimer / kvfreecallrcu KCSAN reports a data race when access the krcp-monitorwork.timer.expires variable in the scheduledelayedmonitorwork function: BUG: KCSAN: data-race in modtimer / kvfreecallrcu...

DEBIAN-CVE-2025-21825

In the Linux kernel, the following vulnerability has been resolved: bpf: Cancel the running bpftimer through kworker for PREEMPTRT During the update procedure, when overwrite element in a pre-allocated htab, the freeing of oldelement is protected by the bucket lock. The reason why the bucket lock...

Linux Distros Unpatched Vulnerability : CVE-2024-53089

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - LoongArch: KVM: Mark hrtimer to expire in hard interrupt context Like commit 2c0d278f3293f KVM: LAPIC: Mark hrtimer to expire in hard interrupt context and comm...

CVE-2022-49149 rxrpc: Fix call timer start racing with call destruction

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix call timer start racing with call destruction The rxrpccall struct has a timer used to handle various timed events relating to a call. This timer can get started from the packet input routines that are run in softirq...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: rcu/nocb: Fix rcuog wake-up from offline softirq After a CPU has set itself offline and before it eventually calls rcutreereportcpudead, there are still opportunities for callbacks to be enqueued, for example from a softirq. When...

UBUNTU-CVE-2024-50154

In the Linux kernel, the following vulnerability has been resolved: tcp/dccp: Don't use timerpending in reqskqueueunlink. Martin KaFai Lau reported use-after-free 0 in reqsktimerhandler. """ We are seeing a use-after-free from a bpf prog attached to tracetcpretransmitsynack. The program passes th...

PT-2024-29225

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to the bpf timer cancel and free function in the Linux kernel, where two timer callbacks trying to cancel each other can lead to a deadlock situation. This can be...

UBUNTU-CVE-2024-26737

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix racing between bpftimercancelandfree and bpftimercancel The following race is possible between bpftimercancelandfree and bpftimercancel. It will lead a UAF on the timer-timer. bpftimercancel; spinlock; t = timer-time;...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the possibility of a corrupted timer list if the governor is switched frequently in a loop...

SUSE CVE-2017-5967

The time subsystem in the Linux kernel through 4.9.9, when CONFIGTIMERSTATS is enabled, allows local users to discover real PID values as distinguished from PID values inside a PID namespace by reading the /proc/timerlist file, related to the printtimer function in kernel/time/timerlist.c and the...

SUSE CVE-2020-16166

The Linux kernel through 5.7.11 allows remote attackers to make observations that help to obtain sensitive information about the internal state of the network RNG, aka CID-f227e3ec3b5c. This is related to drivers/char/random.c and kernel/time/timer.c...

kernel security and bug fix update

3.10.0-1160.66.1.OL7 - Update Oracle Linux certificates Ilya Okomin - Oracle Linux RHCK Module Signing Key was compiled into kernel [email protected] - Update x509.genkey Orabug: 24817676 - Conflict with shim-ia32 and shim-x64 = 15-2.0.9 - Update oraclekernel-sig-key...