Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: block: Do not revert the iterator for -EIOCBQUEUED. The blkdevreaditer function includes some unusual checks. For example, it checks whether the result is greater than or equal to zero before adjusting the position and count. Thi...

PT-2026-94672

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists where the import ubuf function can fail if the address range provided by the userspace ublk server is outside the allowed user address space. When this failure occurs, th...

Linux Distros Unpatched Vulnerability : CVE-2026-64217

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: netfs: Fix overrun check in netfsextractuseriter Fix netfsextractuseriter so that if...

CVE-2026-64217

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix overrun check in netfsextractuseriter Fix netfsextractuseriter so that if ioviterextractpages overfills pages, then those pages don't get included in the iterator constructed at the end of the function. If there was an...

CVE-2026-64134

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Don't setup bogus ioviter for silencing At transition to the ioviter for PCM data transfer, we blindly applied the ioviter setup also for silencing i.e. data = NULL, and it leads to a calculation of bogus ioviter...

CVE-2026-64134 ALSA: pcm: Don't setup bogus iov_iter for silencing

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Don't setup bogus ioviter for silencing At transition to the ioviter for PCM data transfer, we blindly applied the ioviter setup also for silencing i.e. data = NULL, and it leads to a calculation of bogus ioviter...

CVE-2026-64134

The CVE-2026-64134 entry concerns the Linux kernel ALSA PCM path. The vulnerability arises during transition to iov_iter for PCM data transfer, where iov_iter was also configured for silencing (data = NULL), leading to a bogus iov_iter calculation and a NULL dereference on some architectures, not...

CVE-2026-64134 ALSA: pcm: Don't setup bogus iov_iter for silencing

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Don't setup bogus ioviter for silencing At transition to the ioviter for PCM data transfer, we blindly applied the ioviter setup also for silencing i.e. data = NULL, and it leads to a calculation of bogus ioviter...

PT-2026-61451

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ALSA PCM data transfer process where the iov iter setup is incorrectly applied during silencing when data is NULL. This leads to the calculation of a bogus iov ite...

lib/iov_iter Heap Buffer Overflow DoS

The vulnerability of the iovitergetpagesalloc function in the lib/ioviter.c module of the Linux operating system’s kernel is related to errors during the update of the reference counter. Exploiting this vulnerability can allow an attacker to cause a service failure...

UBUNTU-CVE-2026-53210

In the Linux kernel, the following vulnerability has been resolved: tee: shm: fix shm leak in registershmhelper registershmhelper allocates shm before calling ioviternpages. If ioviternpages returns 0, the function jumps to errctxput and leaks shm. This can be triggered by TEEIOCSHMREGISTER with...

CVE-2026-53210

In the Linux kernel, the following vulnerability has been resolved: tee: shm: fix shm leak in registershmhelper registershmhelper allocates shm before calling ioviternpages. If ioviternpages returns 0, the function jumps to errctxput and leaks shm. This can be triggered by TEEIOCSHMREGISTER with...

EUVD-2026-39301

In the Linux kernel, the following vulnerability has been resolved: tee: shm: fix shm leak in registershmhelper registershmhelper allocates shm before calling ioviternpages. If ioviternpages returns 0, the function jumps to errctxput and leaks shm. This can be triggered by TEEIOCSHMREGISTER with...

CVE-2026-46289

In the Linux kernel, CVE-2026-46289 concerns bugs in lib/scatterlist during extract_kvec_to_sg when transferring data from a kvec to a sglist. The main issues: (1) the computed length for a sglist entry can exceed the page size, causing overread; (2) while extracting a user buffer, the sglist can...

PT-2026-47361

Name of the Vulnerable Software and Affected Versions Linux kernel versions 6.3 through 6.5 Description Issues exist in the extract kvec to sg function within the scatterlist library. When extracting from a kvec to a scatterlist, the length for an sglist entry can exceed the number of bytes in th...

CVE-2026-46207

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: fix empty payload in tap skb for non-linear buffers For non-linear skbs, virtiotransportbuildskb goes through virtiotransportcopynonlinearskb to copy the original payload in the new skb to be delivered to the vsockm...

CVE-2026-46207

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: fix empty payload in tap skb for non-linear buffers For non-linear skbs, virtiotransportbuildskb goes through virtiotransportcopynonlinearskb to copy the original payload in the new skb to be delivered to the vsockm...

UBUNTU-CVE-2026-46115

In the Linux kernel, the following vulnerability has been resolved: block: add pgmap check to biovecphysmergeable biovecphysmergeable is used by the request merge, DMA mapping, and integrity merge paths to decide if two physically contiguous bvec segments can be coalesced into one. It currently h...

CVE-2026-46207 vsock/virtio: fix empty payload in tap skb for non-linear buffers

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: fix empty payload in tap skb for non-linear buffers For non-linear skbs, virtiotransportbuildskb goes through virtiotransportcopynonlinearskb to copy the original payload in the new skb to be delivered to the vsockm...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: lib/Kconfig.debug: TESTIOVITER depends on MMU. Attempting to run the ioviter unit test on a nommu system, such as the qemu kc705-nommu emulation, results in a crash. KTAP version 1 Subtest: ioviter Module: kunitioviter 1..9 BUG:...