Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: kcm: Race conditions occur when accessing skreceivequeue. sk-skreceivequeue is protected by the skb queue lock. However, for KCM sockets, the RX path requires mux-rxlock to protect more than just the skb queue. Nevertheless,...

audit: Fix data races of skb_queue_len() readers on audit_queue

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CVE-2026-64435

In the Linux kernel, the following vulnerability has been resolved: audit: Fix data races of skbqueuelen readers on auditqueue Multiple readers access auditqueue.qlen via skbqueuelen without holding the queue lock or using READONCE, while kauditd writes to this field via the skbdequeue → skbunlin...

UBUNTU-CVE-2026-64435

In the Linux kernel, the following vulnerability has been resolved: audit: Fix data races of skbqueuelen readers on auditqueue Multiple readers access auditqueue.qlen via skbqueuelen without holding the queue lock or using READONCE, while kauditd writes to this field via the skbdequeue → skbunlin...

CVE-2026-64435

In the Linux kernel, the following vulnerability has been resolved: audit: Fix data races of skbqueuelen readers on auditqueue Multiple readers access auditqueue.qlen via skbqueuelen without holding the queue lock or using READONCE, while kauditd writes to this field via the skbdequeue → skbunlin...

EUVD-2026-48779

In the Linux kernel, the following vulnerability has been resolved: audit: Fix data races of skbqueuelen readers on auditqueue Multiple readers access auditqueue.qlen via skbqueuelen without holding the queue lock or using READONCE, while kauditd writes to this field via the skbdequeue → skbunlin...

CVE-2026-64435

CVE-2026-64435 documents a data race in the Linux kernel where multiple readers access audit_queue.qlen via skb_queue_len() without proper synchronization while kauditd writes through skb_dequeue()/__skb_unlink() under WRITE_ONCE() with a spinlock. The race is demonstrated by a conflicting access...

PT-2026-64656

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description Data races occur in the audit system when multiple readers access audit queue.qlen via the skb queue len function without holding the queue lock or using READ ONCE. Simultaneously, kaudi...

Linux Distros Unpatched Vulnerability : CVE-2026-64435

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - audit: Fix data races of skbqueuelen readers on auditqueue Multiple readers access auditqueue.qlen via skbqueuelen without holding the queue lock or using...

Linux Distros Unpatched Vulnerability : CVE-2026-53132

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - vsock/virtio: fix potential unbounded skb queue virtiotransportincrxpkt checks vvs-rxbytes + len vvs-bufalloc. virtiotransportrecvenqueue skips coalescing for...

CVE-2026-53132

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: fix potential unbounded skb queue virtiotransportincrxpkt checks vvs-rxbytes + len vvs-bufalloc. virtiotransportrecvenqueue skips coalescing for packets with VIRTIOVSOCKSEQEOM. If fed with packets with len == 0 and...

CVE-2026-53132

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: fix potential unbounded skb queue virtiotransportincrxpkt checks vvs-rxbytes + len vvs-bufalloc. virtiotransportrecvenqueue skips coalescing for packets with VIRTIOVSOCKSEQEOM. If fed with packets with len == 0 and...

CVE-2026-53132: Missing Release of Memory after Effective Lifetime

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: fix potential unbounded skb queue virtiotransportincrxpkt checks vvs-rxbytes + len vvs-bufalloc. virtiotransportrecvenqueue skips coalescing for packets with VIRTIOVSOCKSEQEOM. If fed with packets with len == 0 and...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: ioam6: fix OOB and missing lock issues When trace-type.bit6 is set: if trace-type.bit6 ... queue = skbgettxqueuedev, skb; qdisc = rcudereferencequeue-qdisc; This code can lead to an out-of-bounds access of the dev-tx array...

CVE-2026-43083

In the Linux kernel, the following vulnerability has been resolved: net: ioam6: fix OOB and missing lock When trace-type.bit6 is set: if trace-type.bit6 ... queue = skbgettxqueuedev, skb; qdisc = rcudereferencequeue-qdisc; This code can lead to an out-of-bounds access of the dev-tx array when...

PT-2026-36446

Name of the Vulnerable Software and Affected Versions Linux kernel version 6.19.0-rc8 Description A soft lockup can occur in the mptcp recvmsg function. When receiving data with MSG PEEK and MSG WAITALL flags, the socket buffer skb is not removed from the sk receive queue. This causes the sk wait...

CVE-2026-23299

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: purge error queues in socket destructors When TX timestamping is enabled via SOTIMESTAMPING, SKBs may be queued into skerrorqueue and will stay there until consumed. If userspace never gets to read the timestamps, or i...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-005067)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005067 advisory. In the Linux kernel, the following vulnerability has been resolved: phonet/pep: fix racy skbqueueempty use The receive queues are protected by their respective...

SUSE CVE-2025-68234

In the Linux kernel, the following vulnerability has been resolved: iouring/cmdnet: fix wrong argument types for skbqueuesplice If timestamp retriving needs to be retried and the local list of SKB's already has entries, then it's spliced back into the socket queue. However, the arguments for the...

EUVD-2025-203662

In the Linux kernel, the following vulnerability has been resolved: iouring/cmdnet: fix wrong argument types for skbqueuesplice If timestamp retriving needs to be retried and the local list of SKB's already has entries, then it's spliced back into the socket queue. However, the arguments for the...