CVE-2026-89990

In the Linux kernel, the following vulnerability has been resolved: ceph: lock mutex in cephmdscheckaccess MDS session OPEN handling replaces mdsc-scapauths under mdsc-mutex, freeing the previous array and its strings. cephmdscheckaccess traverses this array without holding the mutex. A concurren...

DEBIAN-CVE-2026-89942

In the Linux kernel, the following vulnerability has been resolved: iio: buffer: Fix potential use-after-free in anonymous buffer release An anonymous buffer handle holds a reference to the underlying IIO device. The reference is dropped in the buffer handle's release function. If the device has...

EUVD-2026-80598

In the Linux kernel, the following vulnerability has been resolved: ceph: lock mutex in cephmdscheckaccess MDS session OPEN handling replaces mdsc-scapauths under mdsc-mutex, freeing the previous array and its strings. cephmdscheckaccess traverses this array without holding the mutex. A concurren...

CVE-2026-89990 ceph: lock mutex in ceph_mds_check_access()

In the Linux kernel, the following vulnerability has been resolved: ceph: lock mutex in cephmdscheckaccess MDS session OPEN handling replaces mdsc-scapauths under mdsc-mutex, freeing the previous array and its strings. cephmdscheckaccess traverses this array without holding the mutex. A concurren...

CVE-2026-89990

This use-after-free vulnerability in the Linux kernel's Ceph filesystem driver occurs when ceph_mds_check_access() traverses the mdsc->s_cap_auths array without holding mdsc->mutex. A concurrent MDS session OPEN replaces and frees that array, so a racing file-open path (e.g. ceph_atomic_ope...

CVE-2026-89942 iio: buffer: Fix potential use-after-free in anonymous buffer release

In the Linux kernel, the following vulnerability has been resolved: iio: buffer: Fix potential use-after-free in anonymous buffer release An anonymous buffer handle holds a reference to the underlying IIO device. The reference is dropped in the buffer handle's release function. If the device has...

CVE-2026-55776

A flaw was found in OpenBao. An authenticated user with write access to the transit secrets engine could trigger a server crash by creating a key with specific asymmetric key types and a 'derived' parameter set to true. This vulnerability, caused by a double-unlock of a mutex, leads to a denial o...

CVE-2026-55776

OpenBao is an open source identity-based secrets management system. Prior to 2.5.5, an authenticated OpenBao caller with write access to transit/keys/ could terminate the server process by setting derived to true while the type parameter selected rsa-, ecdsa-, or ed25519. The Transit policy...

CVE-2026-55776 OpenBao: Transit secrets engine crashes on key creation with `derived: true` for asymmetric key types

OpenBao is an open source identity-based secrets management system. Prior to 2.5.5, an authenticated OpenBao caller with write access to transit/keys/ could terminate the server process by setting derived to true while the type parameter selected rsa-, ecdsa-, or ed25519. The Transit policy...

CVE-2026-55776 OpenBao: Transit secrets engine crashes on key creation with `derived: true` for asymmetric key types

OpenBao is an open source identity-based secrets management system. Prior to 2.5.5, an authenticated OpenBao caller with write access to transit/keys/ could terminate the server process by setting derived to true while the type parameter selected rsa-, ecdsa-, or ed25519. The Transit policy...

EUVD-2026-78682

OpenBao is an open source identity-based secrets management system. Prior to 2.5.5, an authenticated OpenBao caller with write access to transit/keys/ could terminate the server process by setting derived to true while the type parameter selected rsa-, ecdsa-, or ed25519. The Transit policy...

CVE-2026-15923 Infinite loop denial of service in Zephyr SDIO byte-I/O from a card-supplied zero max_blk_size

The Zephyr SDIO subsystem function sdioiorwextendedhelper in subsys/sd/sdio.c finishes transfers with a byte-I/O loop that uses size = MINremaining, func-cis.maxblksize as the per-iteration step. The value func-cis.maxblksize is decoded directly from the SDIO card's CIS FUNCE tuple in sdiodecodec...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bluetooth/l2cap: syncsock recvcb and release operations. The issue arises between the system call to close the socket and the hcirxwork function. In this process, the former releases the socket, while the latter accesses it witho...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: frndis: Protect RNDIS options with a mutex The class/subclass/protocol options are susceptible to race conditions, as they can be accessed concurrently through configfs. A mutex should be used to protect these option...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: conntrack: Hash resizes and cleanup operations need to be executed serially. Syzbot was able to trigger the following warning 1. No reprofounded issues were detected by Syzbot yet, but I was able to trigger a simila...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.10, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iio: light: opt3001: fixed a deadlock caused by concurrent flag access. The threaded IRQ function in this driver reads the flag twice: once to lock a mutex and once to unlock it. Although the code that sets the flag is designed t...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: switchdev: Converting the blocking notification chain to a raw one A blocking notification chain uses a read-write semaphore to protect the integrity of the chain. The semaphore is acquired for writing when adding/removing...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: kcm: Serializing kcmsendmsg for the same socket. syzkaller reported a Use-After-Free in kcmrelease. 0 The scenario is as follows: 1. Thread A constructs a skb with MSGMORE and sets kcm-seqskb. 2. Thread A continues to construc...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: md/md-bitmap: Synchronized bitmapgetstats with the lifetime of the bitmap. After the commit with code ec6bb299c7c3 “md/md-bitmap: added ‘syncsize’ to struct mdbitmapstats”, a panic is reported: Oops: General Protection Fault,...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Prevent race during ffsep0queuewait When performing fast composition switching, there is a possibility that the process of ffsep0write/ffsep0read may enter a race condition due to ep0req being freed from the...