CVE-2026-72042

A flaw was found in the Linux kernel's Intelligent Platform Management Interface IPMI subsystem. An issue in the event delivery mechanism, specifically a reference count underflow, can lead to a use-after-free vulnerability. This occurs when a user's reference count is prematurely decremented...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Remove the improper idxdfree The call to idxdfree introduces a duplicate putdevice call, leading to a reference count underflow: refcountt: underflow; use-after-free. WARNING: CPU: 15, PID: 4428, at...

CVE-2026-64534

A flaw was found in the Linux kernel's NVMe over TCP nvmet-tcp implementation. When a data digest mismatch occurs, a reference count underflow can happen due to an unconditional cleanup call. This issue can lead to a use-after-free condition and ultimately result in a permanent workqueue deadlock...

SUSE CVE-2026-64534

In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: check INITFAILED before nvmetrequninit in digest error path In nvmettcptryrecvddgst, when a data digest mismatch is detected, nvmetrequninit is called unconditionally. However, if the command arrived via the...

CVE-2026-64534 nvmet-tcp: check INIT_FAILED before nvmet_req_uninit in digest error path

In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: check INITFAILED before nvmetrequninit in digest error path In nvmettcptryrecvddgst, when a data digest mismatch is detected, nvmetrequninit is called unconditionally. However, if the command arrived via the...

CVE-2026-64534 nvmet-tcp: check INIT_FAILED before nvmet_req_uninit in digest error path

In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: check INITFAILED before nvmetrequninit in digest error path In nvmettcptryrecvddgst, when a data digest mismatch is detected, nvmetrequninit is called unconditionally. However, if the command arrived via the...

CVE-2026-63935

The CVE-2026-63935 entry concerns the Linux kernel IIO ADC driver for the NXP SAR ADC. A division-by-zero occurs in write_raw when a user writes zero or negative values to the sampling_frequency sysfs attribute; the fix adds a validation check to prevent using such values as a divisor. The patch ...

EUVD-2026-45708

In the Linux kernel, the following vulnerability has been resolved: iio: adc: nxp-sar-adc: fix division by zero in writeraw Add a validation check for the sampling frequency value before using it as a divisor. A user writing zero or a negative value to the samplingfrequency sysfs attribute trigge...

CVE-2026-45910

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix race condition in QP timer handlers I encontered the following warning: WARNING: drivers/infiniband/sw/rxe/rxetask.c:249 at rxeschedtask+0x1c8/0x238 rdmarxe, CPU0: swapper/0/0 ... libsha1 last unloaded: ip6udptunnel...

CVE-2026-45915

CVE-2026-45915 — FAT filesystem rmdir link-count underflow (Linux kernel) Root cause: When FAT images are corrupted, a directory inode’s i_nlink can be incorrect (e.g., 2) while subdirectories exist, causing rmdir to call drop_nlink(dir) unconditionally and potentially drive i_nlink to 0, trigger...

CVE-2026-45910

The CVE-2026-45910 issue affects the Linux kernel RDMA/rxe driver, caused by a race between retransmit_timer() and rxe_destroy_qp that can drop a Queue Pair (QP) reference count to zero during timer handling. Public documents describe a use-after-free risk and refcount underflow in affected flows...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: ipa: Hash tables are only reset when supported. Last year, the code that manages GSI channel transactions switched from using spinlock-protected linked lists to using indexes in the ring buffer used for a channel. Recently,...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: vlan: fixed an underflow issue related to the realdev refcnt. An error is injected before devholdrealdev in registervlandev, and the following testcase is executed: bash ip link add dev dummy1 type dummy ip link add name...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: RDMA/efa: Fixed the incorrect order of resource deallocation. When attempting to destroy a QP or CQ, we first reduce the reference count and potentially free the memory regions allocated for the object. Then, we request the devic...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: remoteproc: Fixed the count check in rproccoredumpwrite. The check for the count being 0 was corrected to avoid a potential underflow. The check is identical to that in rprocrecoverywrite...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: schedext: Redundant cssput calls have been removed from scxcgroupinit. The iterator cssforeachdescendantpre iterates through the cgroup hierarchy under cgrouplock. This iteration does not increment the reference counts of css...

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

In the Linux kernel, the following vulnerability has been resolved: ipv6/addrconf: fixed a potential refcount underflow for idev. In addrconfmodrstimer, the reference to idev depends on whether rstimer is not pending. Therefore, the timeout of rstimer was modified. There is a time gap in 1 during...

CVE-2026-43438

A flaw was found in the Linux kernel's schedext component. This vulnerability is caused by a redundant cssput call in the scxcgroupinit function, leading to a reference count underflow. This can result in a Use-After-Free UAF vulnerability, potentially allowing a local attacker to cause a denial ...

EUVD-2026-28744

In the Linux kernel, the following vulnerability has been resolved: schedext: Remove redundant cssput in scxcgroupinit The iterator cssforeachdescendantpre walks the cgroup hierarchy under cgrouplock. It does not increment the reference counts on yielded css structs. According to the cgroup...

CVE-2026-43301

In the Linux kernel, the following vulnerability has been resolved: media: chips-media: wave5: Fix PM runtime usage count underflow Replace pmruntimeputsync with pmruntimedontuseautosuspend in the remove path to properly pair with pmruntimeuseautosuspend from probe. This allows pmruntimedisable t...