45 matches found
Astra Linux – Vulnerability in Linux 5.10
In the Linux kernel, the following vulnerability has been resolved: bpf: Failure in bpftimercancel when the callback is being cancelled Given a schedule: timer1 cb timer2 cb bpftimercanceltimer2; bpftimercanceltimer1; Both bpftimercancel calls will wait for the other callback to complete executio...
Linux Kernel BPF CancelAndFree Buffer Overflow DoS
The vulnerability of the bpftimer CancelAndFree function in the kernel/bpf/helpers.c file, which is part of the Linux operating system’s BPF interpreter support, stems from the lack of a check on the returned value. Exploiting this vulnerability could allow an attacker to trigger a service failur...
Astra Linux – Vulnerability in Linux 6.12
In the Linux kernel, the following vulnerabilities have been resolved: bpf: Ensure that memcg is instructed to use allowspinning=false in bpftimerinit. Currently, calling bpfmapkmallocnode from bpfasyncinit can cause various locking issues; see the following stack trace edited for style as an...
EUVD-2025-30852
Malicious code in bioql PyPI...
bpf: Tell memcg to use allow_spinning=false path in bpf_timer_init()
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AZL-67643 CVE-2025-39886 affecting package kernel for versions less than 6.6.112.1-1
In the Linux kernel, the following vulnerability has been resolved: bpf: Tell memcg to use allowspinning=false path in bpftimerinit Currently, calling bpfmapkmallocnode from bpfasyncinit can cause various locking issues; see the following stack trace edited for style as one example: ... 10.011566...
AZL-72352 CVE-2025-39886 affecting package kernel 5.15.200.1-1
In the Linux kernel, the following vulnerability has been resolved: bpf: Tell memcg to use allowspinning=false path in bpftimerinit Currently, calling bpfmapkmallocnode from bpfasyncinit can cause various locking issues; see the following stack trace edited for style as one example: ... 10.011566...
CVE-2025-39886
In the Linux kernel, the following vulnerability has been resolved: bpf: Tell memcg to use allowspinning=false path in bpftimerinit Currently, calling bpfmapkmallocnode from bpfasyncinit can cause various locking issues; see the following stack trace edited for style as one example: ... 10.011566...
UBUNTU-CVE-2025-39886
In the Linux kernel, the following vulnerability has been resolved: bpf: Tell memcg to use allowspinning=false path in bpftimerinit Currently, calling bpfmapkmallocnode from bpfasyncinit can cause various locking issues; see the following stack trace edited for style as one example: ... 10.011566...
CVE-2025-39886 bpf: Tell memcg to use allow_spinning=false path in bpf_timer_init()
In the Linux kernel, the following vulnerability has been resolved: bpf: Tell memcg to use allowspinning=false path in bpftimerinit Currently, calling bpfmapkmallocnode from bpfasyncinit can cause various locking issues; see the following stack trace edited for style as one example: ... 10.011566...
CVE-2025-39886 bpf: Tell memcg to use allow_spinning=false path in bpf_timer_init()
In the Linux kernel, the following vulnerability has been resolved: bpf: Tell memcg to use allowspinning=false path in bpftimerinit Currently, calling bpfmapkmallocnode from bpfasyncinit can cause various locking issues; see the following stack trace edited for style as one example: ... 10.011566...
Linux Kernel Security Vulnerabilities
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 improper use of memcg in the bpftimerinit function, which could lead to double-acquisition locking and...
bpf: Cancel the running bpf_timer through kworker for PREEMPT_RT
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Astra Linux – Vulnerability in Linux 6.12
In the Linux kernel, the following vulnerability has been resolved: BPF: Cancel the running BPF timer through kworker for PREEMPTRT During the update process, when overwriting an element in a pre-allocated htab, the freeing of oldelement is protected by the bucket lock. The reason why the bucket...
SUSE 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...
AZL-69488 CVE-2025-21825 affecting package kernel 5.15.200.1-1
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...
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...
UBUNTU-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...
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...
CVE-2025-21825
CVE-2025-21825 affects the Linux kernel’s BPF subsystem when PREEMPT_RT is enabled. The issue arises in the bpf_timer cancellation path during map update of preallocated htab elements: freeing of old_element under the bucket lock can race with reuse of the same element, potentially triggering a l...