bpf: Fail bpf_timer_cancel when callback is being cancelled

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SUSE CVE-2024-42239

In the Linux kernel, the following vulnerability has been resolved: bpf: Fail bpftimercancel when callback is being cancelled Given a schedule: timer1 cb timer2 cb bpftimercanceltimer2; bpftimercanceltimer1; Both bpftimercancel calls would wait for the other callback to finish executing,...

kernel: bpf: Fix racing between bpf_timer_cancel_and_free and bpf_timer_cancel

A use-after-free flaw was found in the Linux kernel’s BPF functionality. This flaw allows a local user to crash the system...

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 Linux kernel that originates in the bpf module during a bpftimercancel call, which may result in a deadlock if the callback is being canceled...

DEBIAN-CVE-2024-41045

In the Linux kernel, the following vulnerability has been resolved: bpf: Defer work in bpftimercancelandfree Currently, the same case as previous patch two timer callbacks trying to cancel each other can be invoked through bpfmapupdateelem as well, or more precisely, freeing map elements containi...

AZL-57743 CVE-2024-41023 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: sched/deadline: Fix taskstruct reference leak During the execution of the following stress test with linux-rt: stress-ng --cyclic 30 --timeout 30 --minimize --quiet kmemleak frequently reported a memory leak concerning the...

AZL-57740 CVE-2024-41023 affecting package kernel 6.6.126.1-1

In the Linux kernel, the following vulnerability has been resolved: sched/deadline: Fix taskstruct reference leak During the execution of the following stress test with linux-rt: stress-ng --cyclic 30 --timeout 30 --minimize --quiet kmemleak frequently reported a memory leak concerning the...

UBUNTU-CVE-2024-41023

In the Linux kernel, the following vulnerability has been resolved: sched/deadline: Fix taskstruct reference leak During the execution of the following stress test with linux-rt: stress-ng --cyclic 30 --timeout 30 --minimize --quiet kmemleak frequently reported a memory leak concerning the...

PT-2024-7055

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to a memory leak in the Linux kernel, specifically in the sched/deadline module. The leak occurs when the start dl timer function increments the task struct referenc...

SUSE CVE-2021-47268

In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: cancel vdm and state machine hrtimer when unregister tcpm port A pending hrtimer may expire after the kthreadworker of tcpm port is destroyed, see below kernel dump when do module unload, fix it by cancel the 2...

UBUNTU-CVE-2023-52847

In the Linux kernel, the following vulnerability has been resolved: media: bttv: fix use after free error due to btv-timeout timer There may be some a race condition between timer function bttvirqtimeout and bttvremove. The timer is setup in probe and there is no timerdelete operation in remove...

CVE-2021-47419

In the Linux kernel, the following vulnerability has been resolved: net/sched: schtaprio: properly cancel timer from tapriodestroy There is a comment in qdisccreate about us not calling ops-reset in some cases. errout4: / Any broken qdiscs that would require a ops-reset here? The qdisc was never ...

DEBIAN-CVE-2021-47419

In the Linux kernel, the following vulnerability has been resolved: net/sched: schtaprio: properly cancel timer from tapriodestroy There is a comment in qdisccreate about us not calling ops-reset in some cases. errout4: / Any broken qdiscs that would require a ops-reset here? The qdisc was never ...

UBUNTU-CVE-2021-47419

In the Linux kernel, the following vulnerability has been resolved: net/sched: schtaprio: properly cancel timer from tapriodestroy There is a comment in qdisccreate about us not calling ops-reset in some cases. errout4: / Any broken qdiscs that would require a ops-reset here? The qdisc was never ...

SUSE CVE-2024-35811

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: Fix use-after-free bug in brcmfcfg80211detach This is the candidate patch of CVE-2023-47233 : https://nvd.nist.gov/vuln/detail/CVE-2023-47233 In brcm80211 driver,it starts with the following invoking chain to star...

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 Linux kernel that originates from the net/sched:schtaprio module correctly canceling timers...

SUSE 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;...

SUSE CVE-2024-26654

In the Linux kernel, the following vulnerability has been resolved: ALSA: sh: aica: reorder cleanup operations to avoid UAF bugs The dreamcastcard-timer could schedule the spudmawork and the spudmawork could also arm the dreamcastcard-timer. When the sndpcmsubstream is closing, the aicachannel wi...

DEBIAN-CVE-2023-52635

In the Linux kernel, the following vulnerability has been resolved: PM / devfreq: Synchronize devfreqmonitorstart/stop There is a chance if a frequent switch of the governor done in a loop result in timer list corruption where timer cancel being done from two place one from canceldelayedworksync...

kernel: dm integrity: Fix UAF in dm_integrity_dtr()

A use-after-free vulnerability was found in the Linux kernel's device mapper integrity subsystem. When dmresume and dmdestroy execute concurrently, a timer may fire and access freed memory because dmintegritydtr did not properly cancel the timer before freeing resources. The fix adds an additiona...