Ubuntu 26.04 LTS : Linux kernel (NVIDIA) vulnerabilities (USN-8507-1)

"The remote Ubuntu 26.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8507-1 advisory. It was discovered that some AMD processors did not properly clear data in the floating point divider unit during speculative execution. A local attacker...

USN-8492-2 linux-aws-6.8, linux-gcp-6.8, linux-gke, linux-gkeop, linux-ibm-6.8, linux-nvidia-lowlatency, linux-oracle-6.8 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - x86 architecture; - Block layer subsystem; -...

USN-8488-1 linux, linux-aws, linux-gcp, linux-ibm, linux-oracle, linux-realtime vulnerabilities

It was discovered that some AMD processors did not properly clear data in the floating point divider unit during speculative execution. A local attacker could use this to expose sensitive information. CVE-2025-54505 Several security issues were discovered in the Linux kernel. An attacker could...

USN-8488-1: Linux kernel vulnerabilities

It was discovered that some AMD processors did not properly clear data in the floating point divider unit during speculative execution. A local attacker could use this to expose sensitive information. CVE-2025-54505 Several security issues were discovered in the Linux kernel. An attacker could...

Linux Distros Unpatched Vulnerability : CVE-2026-13595

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in the libblkid library of util-linux. During nested partition probing, the BSD, Minix, Solaris x86, and UnixWare partition probers cache a raw...

CVE-2026-13595

A flaw was found in the libblkid library of util-linux. During nested partition probing, the BSD, Minix, Solaris x86, and UnixWare partition probers cache a raw pointer to a parent partition entry in a dynamically allocated array. When subsequent partition additions cause the array to be...

CVE-2026-13595 Util-linux: util-linux: heap use-after-free in libblkid nested partition probing

A flaw was found in the libblkid library of util-linux. During nested partition probing, the BSD, Minix, Solaris x86, and UnixWare partition probers cache a raw pointer to a parent partition entry in a dynamically allocated array. When subsequent partition additions cause the array to be...

CVE-2026-13595

A flaw was found in the libblkid library of util-linux. During nested partition probing, the BSD, Minix, Solaris x86, and UnixWare partition probers cache a raw pointer to a parent partition entry in a dynamically allocated array. When subsequent partition additions cause the array to be...

CVE-2026-13595

CVE-2026-13595 affects libblkid in util-linux. During nested partition probing, BSD/Minix/Solaris x86/UnixWare probers cache a parent partition pointer in a dynamically allocated array; on reallocation, the pointer becomes stale, causing a heap use-after-free read. An attacker with access to a cr...

PT-2026-53234

Name of the Vulnerable Software and Affected Versions util-linux libblkid affected versions not specified Description A heap use-after-free read occurs in the libblkid library during nested partition probing. The BSD, Minix, Solaris x86, and UnixWare partition probers cache a raw pointer to a...

CVE-2026-53188 RDMA/core: Validate the passed in fops for ib_get_ucaps()

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Validate the passed in fops for ibgetucaps Sashiko pointed out it is not safe to rely only on the devt because char/block alias so if the user finds a block device with the same devt it can masquerade as a ucap cdev fd...

CVE-2026-53188

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Validate the passed in fops for ibgetucaps Sashiko pointed out it is not safe to rely only on the devt because char/block alias so if the user finds a block device with the same devt it can masquerade as a ucap cdev fd...

CVE-2026-53188

The CVE-2026-53188 entry concerns a Linux kernel RDMA/core flaw where fops passed to ib_get_ucaps() could be spoofed via a block device sharing a dev_t with a character device (char/block alias). The root cause is insufficient validation of f_ops, allowing a local attacker with access to device n...

PT-2026-52284

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the RDMA core where the ib get ucaps function fails to properly validate the passed-in file operations fops. Because character and block devices can share the same dev...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: nbd: The defer config unlock in nbdgenlconnect has been fixed. There is one use-after-free warning when running NBDCMDCONNECT and NBDCLEARSOCK: nbdgenlconnect: nbdallocandinitconfig // configrefs=1 nbdstartdevice // configrefs...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: nbd: defer config put in recvwork There is one UAF issue in recvwork when running NBDCLEARSOCK and NBDCMDRECONFIGURE: - nbdgenlconnect // confref=2 connect and recvwork A - nbdopen // confref=3 - recvwork A completed //...

PT-2026-52022

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the DRBD module where the drbd adm dump devices function fails to call rcu read lock before rcu read unlock is invoked. This imbalance in Read-Copy-Update RCU—a...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: nullblk: fixed handling of poll request timeouts When performing the iouring benchmark on /dev/nullb0, it’s easy for the kernel to crash if poll requests time out, as reported by David. 1 BUG: Kernel NULL pointer dereferencing...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: md: Fixed an issue with warnings for holder mismatch in exportrdev. The commit a1d767191096 “md: Use mddev-external to select holder in exportrdev” fixes the problem where ‘claimrdev’ is used for blkdevgetbydev, while ‘rdev’ i...

Astra Linux – Vulnerability in Linux

In the Linux kernel, from drivers/block/nbd.c up to version 5.10.12, there is a use-after-free in the nbdaddsocket function. This issue could be triggered by local attackers who have access to the nbd device. The attack occurs during I/O requests at a certain point in device setup, specifically...