CVE-2026-50261 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()

A use-after-free flaw was found in the X.Org X server and Xwayland in SyncChangeCounter. A client that sets up multiple SyncCounters can trigger a use-after-free when destroying those counters via a second client connection while changing those counters. This may be used to crash the server, or f...

CVE-2026-50261

The CVE-2026-50261 entry describes a use-after-free in the X.Org X server and Xwayland related to SyncChangeCounter(). A client that creates multiple SyncCounters can trigger a use-after-free when those counters are destroyed via a second client connection during a change, potentially crashing th...

CVE-2026-50260

A use-after-free flaw was found in the X.Org X server and Xwayland in FreeCounter. A client that sets up multiple SyncCounters and awaits on those triggers can trigger a use-after-free when destroying those counters via a second client connection. This may be used to crash the server, or for...

CVE-2026-50260

The CVE-2026-50260 entry concerns the X.Org X server and Xwayland, where a use-after-free in FreeCounter() can be triggered by a client that sets up multiple SyncCounters and destroys them via a second client connection. The consequence is potential server crash and, if the X server runs as root,...

CVE-2026-50260 Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in freecounter()

A use-after-free flaw was found in the X.Org X server and Xwayland in FreeCounter. A client that sets up multiple SyncCounters and awaits on those triggers can trigger a use-after-free when destroying those counters via a second client connection. This may be used to crash the server, or for...

CVE-2026-50260

A use-after-free flaw was found in the X.Org X server and Xwayland in FreeCounter. A client that sets up multiple SyncCounters and awaits on those triggers can trigger a use-after-free when destroying those counters via a second client connection. This may be used to crash the server, or for...

SUSE CVE-2026-46233

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: only purge non-released claims When batadvblapurgeclaims goes through the list of claims, it is only traversing the hash list with an rcureadlock. Due to a potential parallel batadvclaimput, it can happen that it...

CVE-2026-46233

In the Linux kernel, the following vulnerability has been resolved: batman-adv: bla: only purge non-released claims When batadvblapurgeclaims goes through the list of claims, it is only traversing the hash list with an rcureadlock. Due to a potential parallel batadvclaimput, it can happen that it...

CVE-2026-45897

A flaw was found in the Linux kernel's netfilter component, specifically in how network counters are handled. This vulnerability allows for a race condition during simultaneous operations to read and reset these counters. As a result, counter values could be incorrectly reduced, leading to...

CVE-2026-45920 ext4: fix dirtyclusters double decrement on fs shutdown

In the Linux kernel, the following vulnerability has been resolved: ext4: fix dirtyclusters double decrement on fs shutdown fstests test generic/388 occasionally reproduces a warning in ext4putsuper associated with the dirty clusters count: WARNING: CPU: 7 PID: 76064 at fs/ext4/super.c:1324...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: alloctag: The ability to dynamically allocate percpu counters for module tags. When a module is unloaded, it checks whether any of its tags are still in use. If so, it keeps the memory containing the module’s allocation tags aliv...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: hfs: Replace BUGON with error handling for CNID count checks. In the fields nextid, foldercount, and filecount in the super block, the values were expanded to 64 bits, and mechanisms like BUGON were added to detect overflow...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: powerpc/perf: The issue related to ref-counting on the PMU “vpapmu” has been fixed. Commit 176cda0619b6 “powerpc/perf: Add a perf interface to expose vpa counters” introduced “vpapmu” to expose the Book3s-HV nested APIv2. This...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: armmpam: Fixed a null pointer dereference issue when restoring bandwidth counters. When a MSC that supports memory bandwidth monitoring is brought offline and then brought back online, the mpamrestorembwustate function calls...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/i915/perf: added a sentinel to xehpoabcounters. Arrays passed to reginrangetable should end with an empty record. The patch fixes a bug detected by KASAN with the following signature: BUG: KASAN: global-out-of-bounds in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: nfsd: move the initialization of the replycachestats counters back to nfsdinitnet. The commit f5f9d4a314da “nfsd: move the reply cache initialization into nfsd startup” moved the initialization of the reply cache into nfsd startu...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxtre: The OOB write in bnxtrecopyerrstats was fixed. The commit ef56081d1864 “RDMA/bnxtre: RoCE-related hardware counters update” added three new counters and placed them after BNXTREOUTOFSEQERR. BNXTREOUTOFSEQERR serves a...

Loaded Dice: Solving the Non-Selection Problem for Scalable Probabilistic RowHammer Defense

DRAM scaling has exacerbated the RowHammer vulnerability. To counter this, JEDEC recently introduced Per Row Activation Counting PRAC with the Alert Back-Off protocol as an optional DDR5 feature. While promising, PRAC requires per-row counter cells that incur area overhead, and updating them on...

EUVD-2026-28558

In the Linux kernel, the following vulnerability has been resolved: ext4: move ext4percpuparaminit before ext4mbinit When running kvm-xfstests -c ext4/1k -C 1 generic/383 with the DOUBLECHECK macro defined, the following panic is triggered:...

CVE-2026-43288

In the Linux kernel, the following vulnerability has been resolved: ext4: move ext4percpuparaminit before ext4mbinit When running kvm-xfstests -c ext4/1k -C 1 generic/383 with the DOUBLECHECK macro defined, the following panic is triggered:...