Azure Linux 3.0 Security Update: kernel (CVE-2024-38662)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-38662 advisory. - In the Linux kernel, the following vulnerability has been resolved: bpf: Allow delete from sockmap/sockhash...

Azure Linux 3.0 Security Update: kernel (CVE-2024-42075)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-42075 advisory. - In the Linux kernel, the following vulnerability has been resolved: bpf: Fix remap of arena. The bpf arena...

Azure Linux 3.0 Security Update: kernel (CVE-2024-42072)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-42072 advisory. - In the Linux kernel, the following vulnerability has been resolved: bpf: Fix maygoto with negative offset...

Important: kernel-livepatch-6.1.115-126.197

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: gpiolib: cdev: Fix use after free in lineinfochangednotify CVE-2024-36899 In the Linux kernel, the following vulnerability has been resolved: ext4: fix timer use-after-free on failed mount CVE-2024-49960 In the...

Important: kernel-livepatch-5.10.227-219.884

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix slab-use-after-free in gfs2qddealloc CVE-2023-52760 In the Linux kernel, the following vulnerability has been resolved: gpiolib: cdev: Fix use after free in lineinfochangednotify CVE-2024-36899 In the...

Important: kernel-livepatch-5.10.228-219.884

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix slab-use-after-free in gfs2qddealloc CVE-2023-52760 In the Linux kernel, the following vulnerability has been resolved: gpiolib: cdev: Fix use after free in lineinfochangednotify CVE-2024-36899 In the...

SUSE CVE-2025-21670

In the Linux kernel, the following vulnerability has been resolved: vsock/bpf: return early if transport is not assigned Some of the core functions can only be called if the transport has been assigned. As Michal reported, a socket might have the transport at NULL, for example after a failed...

CVE-2025-21683

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bpfskselectreuseport memory leak As pointed out in the original comment, lookup in sockmap can return a TCP ESTABLISHED socket. Such TCP socket may have had SOATTACHREUSEPORTEBPF set before it was ESTABLISHED. In other...

CVE-2025-21683

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bpfskselectreuseport memory leak As pointed out in the original comment, lookup in sockmap can return a TCP ESTABLISHED socket. Such TCP socket may have had SOATTACHREUSEPORTEBPF set before it was ESTABLISHED. In other...

AZL-56333 CVE-2025-21683 affecting package kernel for versions less than 6.6.76.1-1

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bpfskselectreuseport memory leak As pointed out in the original comment, lookup in sockmap can return a TCP ESTABLISHED socket. Such TCP socket may have had SOATTACHREUSEPORTEBPF set before it was ESTABLISHED. In other...

DEBIAN-CVE-2025-21683

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bpfskselectreuseport memory leak As pointed out in the original comment, lookup in sockmap can return a TCP ESTABLISHED socket. Such TCP socket may have had SOATTACHREUSEPORTEBPF set before it was ESTABLISHED. In other...

AZL-56268 CVE-2025-21683 affecting package kernel for versions less than 5.15.180.1-1

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bpfskselectreuseport memory leak As pointed out in the original comment, lookup in sockmap can return a TCP ESTABLISHED socket. Such TCP socket may have had SOATTACHREUSEPORTEBPF set before it was ESTABLISHED. In other...

AZL-56396 CVE-2025-21670 affecting package kernel for versions less than 6.6.76.1-1

In the Linux kernel, the following vulnerability has been resolved: vsock/bpf: return early if transport is not assigned Some of the core functions can only be called if the transport has been assigned. As Michal reported, a socket might have the transport at NULL, for example after a failed...

UBUNTU-CVE-2025-21683

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bpfskselectreuseport memory leak As pointed out in the original comment, lookup in sockmap can return a TCP ESTABLISHED socket. Such TCP socket may have had SOATTACHREUSEPORTEBPF set before it was ESTABLISHED. In other...

CVE-2025-21683 bpf: Fix bpf_sk_select_reuseport() memory leak

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bpfskselectreuseport memory leak As pointed out in the original comment, lookup in sockmap can return a TCP ESTABLISHED socket. Such TCP socket may have had SOATTACHREUSEPORTEBPF set before it was ESTABLISHED. In other...

CVE-2025-21683

CVE-2025-21683 affects the Linux kernel and patches a memory-leak in bpf_sk_select_reuseport() when using reuseport BPF programs. The underlying issue is that a sockmap lookup could return a TCP ESTABLISHED socket that previously had SO_ATTACH_REUSEPORT_EBPF, meaning a non-NULL sk_reuseport_cb di...

CVE-2025-21683 bpf: Fix bpf_sk_select_reuseport() memory leak

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bpfskselectreuseport memory leak As pointed out in the original comment, lookup in sockmap can return a TCP ESTABLISHED socket. Such TCP socket may have had SOATTACHREUSEPORTEBPF set before it was ESTABLISHED. In other...

CVE-2025-21683

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bpfskselectreuseport memory leak As pointed out in the original comment, lookup in sockmap can return a TCP ESTABLISHED socket. Such TCP socket may have had SOATTACHREUSEPORTEBPF set before it was ESTABLISHED. In other...

CVE-2025-21670 vsock/bpf: return early if transport is not assigned

In the Linux kernel, the following vulnerability has been resolved: vsock/bpf: return early if transport is not assigned Some of the core functions can only be called if the transport has been assigned. As Michal reported, a socket might have the transport at NULL, for example after a failed...

CVE-2025-21670 vsock/bpf: return early if transport is not assigned

In the Linux kernel, the following vulnerability has been resolved: vsock/bpf: return early if transport is not assigned Some of the core functions can only be called if the transport has been assigned. As Michal reported, a socket might have the transport at NULL, for example after a failed...