UBUNTU-CVE-2026-74714

In the Linux kernel, the following vulnerability has been resolved: bpf: tcp: Fix use-after-free in bpfitertcpestablishedbatch reqskqueuehashreq publishes a TCPNEWSYNRECV requestsock onto the ehash chain, drops the bucket lock, and only afterwards sets rskrefcnt to 3. Lockless readers such as...

CVE-2026-74714 bpf: tcp: Fix use-after-free in bpf_iter_tcp_established_batch()

In the Linux kernel, the following vulnerability has been resolved: bpf: tcp: Fix use-after-free in bpfitertcpestablishedbatch reqskqueuehashreq publishes a TCPNEWSYNRECV requestsock onto the ehash chain, drops the bucket lock, and only afterwards sets rskrefcnt to 3. Lockless readers such as...

CVE-2026-53085

In the Linux kernel, the following vulnerability has been resolved: bpf: fix mm lifecycle in open-coded taskvma iterator The open-coded taskvma iterator reads task-mm locklessly and acquires mmapreadtrylock but never calls mmget. If the task exits concurrently, the mmstruct can be freed as it is...

CVE-2025-38012

In the Linux kernel, the following vulnerability has been resolved: schedext: bpfiterscxdsqnew should always initialize iterator BPF programs may call next and destroy on BPF iterators even after new returns an error value e.g. bpfforeach macro ignores error returns from new. bpfiterscxdsqnew cou...

CVE-2025-38012 sched_ext: bpf_iter_scx_dsq_new() should always initialize iterator

In the Linux kernel, the following vulnerability has been resolved: schedext: bpfiterscxdsqnew should always initialize iterator BPF programs may call next and destroy on BPF iterators even after new returns an error value e.g. bpfforeach macro ignores error returns from new. bpfiterscxdsqnew cou...

CVE-2025-38012

The CVE-2025-38012 issue affects Linux kernel sched_ext: bpf_iter_scx_dsq_new() may leave an uninitialized iterator after an error, causing bpf_iter_scx_dsq_next() to dereference garbage data. The documented fix is to always clear kit->dsq in bpf_iter_scx_dsq_new(), so that next() and destroy(...

CVE-2025-38012

In the Linux kernel, the following vulnerability has been resolved: schedext: bpfiterscxdsqnew should always initialize iterator BPF programs may call next and destroy on BPF iterators even after new returns an error value e.g. bpfforeach macro ignores error returns from new. bpfiterscxdsqnew cou...

PT-2025-25787

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been identified where BPF programs may call next and destroy on BPF iterators even after new returns an error value. This could cause bpf iter scx...

DEBIAN-CVE-2024-50254

In the Linux kernel, the following vulnerability has been resolved: bpf: Free dynamically allocated bits in bpfiterbitsdestroy bpfiterbitsdestroy uses "kit-nrbits kmemleakalloc+0x4b/0x80 kmallocnodenoprof+0x480/0x5c0 alloc.isra.0+0x89/0xb0 allocbulk+0x2af/0x720 prefillmemcache+0x7f/0xb0...