OESA-2026-1303 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: ptrring: do not block hard interrupts in ptrringresizemultiple Jakub added a lockdepassertnohardirq check in pagepoolputpage to increase test coverage. syzbot...

OESA-2026-1304 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: ptrring: do not block hard interrupts in ptrringresizemultiple Jakub added a lockdepassertnohardirq check in pagepoolputpage to increase test coverage. syzbot...

OESA-2026-1305 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: ptrring: do not block hard interrupts in ptrringresizemultiple Jakub added a lockdepassertnohardirq check in pagepoolputpage to increase test coverage. syzbot...

CVE-2025-68798: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: perf/x86/amd: Check event before enable to avoid GPF On AMD machines cpuc-eventsidx can become NULL in a subtle race condition with NMI-throttle-x86pmustop. Check event for NULL in amdpmuenableall before enable to avoid a GPF. Th...

CVE-2022-50888: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: remoteproc: qcom: q6v5: Fix potential null-ptr-deref in q6v5wcssinitmmio q6v5wcssinitmmio will call platformgetresourcebyname that may fail and return NULL. devmioremap will use res-start as input, which may causes null-ptr-deref...

CVE-2023-54321: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: driver core: fix potential null-ptr-deref in deviceadd I got the following null-ptr-deref report while doing fault injection test: BUG: kernel NULL pointer dereference, address: 0000000000000058 CPU: 2 PID: 278 Comm: 37-i2c-ds248...

CVE-2022-50885: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix NULL-ptr-deref in rxeqpdocleanup when socket create failed There is a null-ptr-deref when mount.cifs over rdma: BUG: KASAN: null-ptr-deref in rxeqpdocleanup+0x2f3/0x360 rdmarxe Read of size 8 at addr 000000000000001...

CVE-2023-54314: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: media: af9005: Fix null-ptr-deref in af9005i2cxfer In af9005i2cxfer, msg is controlled by user. When msgi.buf is null and msgi.len is zero, former checks on msgi.buf would be passed. Malicious data finally reach af9005i2cxfer. If...

CVE-2023-54264: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: fs/sysv: Null check to prevent null-ptr-deref bug sbgetblkinode-isb, parent return a null ptr and taking lock on that leads to the null-ptr-deref bug...

CVE-2023-54204: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: mmc: sunplus: fix return value check of mmcaddhost mmcaddhost may return error, if we ignore its return value, 1. the memory allocated in mmcallochost will be leaked 2. null-ptr-deref will happen when calling mmcremovehost in...

CVE-2022-50846: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: mmc: via-sdmmc: fix return value check of mmcaddhost mmcaddhost may return error, if we ignore its return value, it will lead two issues: 1. The memory that allocated in mmcallochost is leaked. 2. In the remove path, mmcremovehos...

CVE-2023-54197: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Revert "Bluetooth: btsdio: fix use after free bug in btsdioremove due to unfinished work" This reverts commit 1e9ac114c4428fdb7ff4635b45d4f46017e8916f. This patch introduces a possible null-ptr-def problem. Revert it. And the fix...

CVE-2022-50819: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: udmabuf: Set ubuf-sg = NULL if the creation of sg table fails When userspace tries to map the dmabuf and if for some reason e.g. OOM the creation of the sg table fails, ubuf-sg needs to be set to NULL. Otherwise, when the userspa...

CVE-2022-50784: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mei: fix potential NULL-ptr deref after clone If cloning the SKB fails, don't try to use it, but rather return as if we should pass it. Coverity CID: 1503456...

CVE-2023-54087: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ubi: Fix possible null-ptr-deref in ubifreevolume It willl cause null-ptr-deref in the following case: uifinit ubiaddvolume cdevadd - if it fails, call killvolumes deviceregister killvolumes - if ubiaddvolume fails call this...

CVE-2022-50773: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ALSA: mts64: fix possible null-ptr-defer in sndmts64interrupt I got a null-ptr-defer error report when I do the following tests on the qemu platform: make defconfig and CONFIGPARPORT=m, CONFIGPARPORTPC=m, CONFIGSNDMTS64=m Then...

CVE-2023-54066: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: media: dvb-usb-v2: gl861: Fix null-ptr-deref in gl861i2cmasterxfer In gl861i2cmasterxfer, msg is controlled by user. When msgi.buf is null and msgi.len is zero, former checks on msgi.buf would be passed. Malicious data finally...

CVE-2025-68335: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: comedi: pcl818: fix null-ptr-deref in pcl818aicancel Syzbot identified an issue 1 in pcl818aicancel, which stems from the fact that in case of early device detach via pcl818detach, subdevice dev-readsubdev may not have initialize...

SUSE CVE-2025-68232

In the Linux kernel, the following vulnerability has been resolved: veth: more robust handing of race to avoid txq getting stuck Commit dc82a33297fc "veth: apply qdisc backpressure on full ptrring to reduce TX drops" introduced a race condition that can lead to a permanently stalled TXQ. This was...

EUVD-2025-203664

In the Linux kernel, the following vulnerability has been resolved: veth: more robust handing of race to avoid txq getting stuck Commit dc82a33297fc "veth: apply qdisc backpressure on full ptrring to reduce TX drops" introduced a race condition that can lead to a permanently stalled TXQ. This was...