Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2024-26708: mptcp: fix inconsistent state on fastopen race bsc1222672. CVE-2024-40980: dropmonitor: replace spinlock by rawspinlock bsc1227937. CVE-2024-44974:...

bpf,perf: Fix invalid prog_array access in perf_event_detach_bpf_prog

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bpf: Fix UAF via mismatching bpf_prog/attachment RCU flavors

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bpf: fix OOB devmap writes when deleting elements

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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...

AZL-62534 CVE-2025-21825 affecting package kernel 6.6.157.1-1

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...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: scsi: mpi3mr: Bad drive in topology results kernel crash CVE-2023-53037 In the Linux kernel, the following vulnerability has been resolved: scsi: mpi3mr: Fix issues in mpi3mrgetalltgtinfo CVE-2023-53320 In the Lin...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: use timestamp to check for set element timeout CVE-2024-27397 In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: prefer nftchainvalidate CVE-2024-41042 In...

SUSE CVE-2022-49548

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix potential array overflow in bpftrampolinegetprogs The cnt value in the 'cnt = BPFMAXTRAMPPROGS' check does not include BPFTRAMPMODIFYRETURN bpf programs, so the number of the attached BPFTRAMPMODIFYRETURN bpf programs in...

DEBIAN-CVE-2025-21728

In the Linux kernel, the following vulnerability has been resolved: bpf: Send signals asynchronously if !preemptible BPF programs can execute in all kinds of contexts and when a program running in a non-preemptible context uses the bpfsendsignal kfunc, it will cause issues because this kfunc can...

DEBIAN-CVE-2022-49548

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix potential array overflow in bpftrampolinegetprogs The cnt value in the 'cnt = BPFMAXTRAMPPROGS' check does not include BPFTRAMPMODIFYRETURN bpf programs, so the number of the attached BPFTRAMPMODIFYRETURN bpf programs in...

UBUNTU-CVE-2022-49658

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix insufficient bounds propagation from adjustscalarminmaxvals Kuee reported a corner case where the tnum becomes constant after the call to regboundoffset, but the register's bounds are not, that is, its min bounds are sti...

DEBIAN-CVE-2022-49228

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix a btf decltag bug when tagging a function syzbot reported a btf decltag bug with stack trace below: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 1 PREEMPT SMP KASAN KASAN:...

UBUNTU-CVE-2022-49204

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix more uncharged while msg has moredata In tcpbpfsendverdict, if msg has more data after tcpbpfsendmsgredir: tcpbpfsendverdict tosend = msg-sg.size //msg-sg.size = 22220 case SKREDIRECT: skmsgreturn //uncharged...

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 stems from a bpf decltag parsing error when tagging a function with btf decltag, which could result in a null pointer...

kernel: tcp/dccp: Don't use timer_pending() in reqsk_queue_unlink().

A use-after-free UAF vulnerability was found and fixed in the Linux kernel's TCP subsystem related to request socket reqsk timers during handshake handling. This issue stems from a race condition caused by relying on timerpending in reqskqueueunlink. This could result in the timer continuing to r...

PT-2025-27751

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel has been resolved, related to the bpf Berkeley Packet Filter functionality, specifically with ktls panic and sockmap. The issue arises when the BPF...

The vulnerability of the bpf component in the Linux operating system’s kernel allows a hacker to trigger a service failure.

The vulnerability of the bpf component in the Linux operating system’s kernel is related to read misses beyond the boundary. Exploiting this vulnerability can allow an attacker to cause a service failure...

The vulnerability of the bpf component in the Linux operating system’s kernel allows a hacker to trigger a service failure.

The vulnerability of the bpf component in the Linux operating system’s kernel is related to the assignment of the NULL pointer. Exploiting this vulnerability can allow an attacker to cause a service failure...

The vulnerability of the bpf component in the Linux operating system’s kernel allows a hacker to trigger a service failure.

The vulnerability of the bpf component in the Linux operating system’s kernel is related to incorrect validation of input data. Exploiting this vulnerability can allow an attacker to cause a service failure...