CVE-2026-90186: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nullblk: reject per-device queue resize for shared tag set When sharedtags is enabled, nullsetuptagset makes the device use the global tagset, whose driverdata stays NULL. nullmapqueues therefore falls back to the module-wide...

PT-2026-94903

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the RDMA/rxe component where the responder state machine may reprocess a packet after the Queue Pair QP enters an error state. This occurs when do complete returns...

CVE-2026-93107: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Avoid reprocessing the current packet after the QP enters the error state When docomplete finds the QP in the error state it returns RESPSTCHKRESOURCE. Before commit 49dc9c1f0c7e "RDMA/rxe: Cleanup reset state handling ...

PT-2026-94629

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference can occur during early runtime suspend in the snps-femto-v2 PHY driver. This happens because runtime Power Management PM callbacks may dereference the hsphy...

PT-2026-94935

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the drm/amdgpu/mes component where a loop limit for hung queue db array was incorrectly set to only AMDGPU MAX MES PIPES iterations. On multi-XCC X-Complexity Cluster...

CVE-2026-90164: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: smb/server: abort initialization when proc setup fails ksmbdserverinit calls ksmbdprocinit before creating the remaining proc entries and server subsystems. ksmbdprocinit tears down partial state on a procfs or percpucounter...

CVE-2026-90115: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: xsk: fix NULL pointer dereference in xskrcv In the xskrcv multi-buffer path, xskbuffalloc is called in a loop without checking its return value. xskbuffcanalloc only counts fill queue entries without validating their addresses, s...

Linux kernel security vulnerabilities

A security vulnerability exists in the Linux kernel. It stems from the fact that the serialcoreaddoneport function allocates uport-ttygroups only after uartconfigureport. If this allocation fails, the console remains registered while the port is improperly released, potentially leading to null...

PT-2026-94540

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference occurs in the qcom cpucp mbox send data function when it is invoked via the mailbox clear channel function under PREEMPT RT. The issue arises because mailbox...

PT-2026-94534

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the null blk driver where resizing submit queues or poll queues via configfs on a device with shared tags enabled can lead to a kernel crash. When a shared tag set is...

CVE-2026-93139: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/mes: Fix hungqueuedbarray loop limit for multi-XCC The loop iterated only AMDGPUMAXMESPIPES times, leaving entries uninitialized for multi-XCC GPUs. This causes null pointer dereferences when accessing arrays indexed b...

PT-2026-94514

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A null-pointer dereference occurs in the ksmbd ipc tree connect request function. This happens when ksmbd share config get fails during a kstrdup operation for share-name and the KSMBD...

PT-2026-94532

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the null blk driver where attribute store methods generated with NULLB DEVICE ATTR do not use locks when updating device configurations. Because the NULLB DEV ...

PT-2026-94866

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists during the teardown of Display Manager DM I2C adapters. Because these adapters may remain visible to userspace while the teardown process is active, a concurrent...

CVE-2026-90139: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: fuse: check for NULL root inode in fusefillsupersubmount fuseiget can return NULL when its inode allocation fails, but fusefillsupersubmount passed the result straight to getfuseinode and decremented fi-nlookup without checking i...

CVE-2026-93093: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: firmware: armscmi: Publish channel state before callbacks Transport setup can enable callbacks before the setup routine returns. mailboxchansetup registers the mailbox client with mboxrequestchannel, and the mailbox controller...

PT-2026-94800

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference can occur in the amd-pstate driver of the cpufreq subsystem. This happens when the cpufreq cpu get function returns NULL because no policy is associated with t...

PT-2026-94733

Name of the Vulnerable Software and Affected Versions Linux kernel version 7.1.3 Description An issue exists in the md/raid1 component where adding a new rdev to an existing RAID1 array with the serialize policy enabled can lead to a system crash. This occurs because the bind rdev to array...

Linux Kernel Security Vulnerabilities

The Linux kernel has a security vulnerability. This vulnerability arises from the fact that when adding a new rdev to an existing RAID1 array with serializepolicy enabled, the conditions in mddevcreateserialpool skip the creation of rdev-serial. As a result, waitforserialization assumes that...

CLSA-2026-1789601022 Fix of 5 CVEs

SECURITY UPDATE: stack buffer overflow in xmlSnprintfElements - debian/patches/CVE-2026-86140.patch: add bounds checks around the parenthesis writes in xmlSnprintfElements in valid.c - CVE-2026-86140 SECURITY UPDATE: NULL pointer dereference in xmlRegNewParserCtxt after a failed allocation -...