CVE-2026-23002

In the Linux kernel, the following vulnerability has been resolved: lib/buildid: use kernelread for sleepable context Prevent a "BUG: unable to handle kernel NULL pointer dereference in filemapreadfolio". For the sleepable context, convert freader to use kernelread instead of direct page cache...

UBUNTU-CVE-2026-23011

In the Linux kernel, the following vulnerability has been resolved: ipv4: ipgre: make ipgreheader robust Analog to commit db5b4e39c4e6 "ip6gre: make ip6greheader robust" Over the years, syzbot found many ways to crash the kernel in ipgreheader 1. This involves team or bonding drivers ability to...

CVE-2026-23010

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix use-after-free in inet6addrdel. syzbot reported use-after-free of inet6ifaddr in inet6addrdel. 0 The cited commit accidentally moved ipv6deladdr for mngtmpaddr before reading its ifp-flags for temporary addresses in...

kernel: can: j1939: prevent deadlock by changing j1939_socks_lock to rwlock

A vulnerability was found in the Linux kernel's Controller Area Network CAN protocol, within the J1939 protocol implementation. This issue occurs due to a potential deadlock caused by a race condition involving three locks: j1939sockslock, activesessionlistlock, and sksessionqueuelock. This issue...

SUSE CVE-2025-71098

In the Linux kernel, the following vulnerability has been resolved: ip6gre: make ip6greheader robust Over the years, syzbot found many ways to crash the kernel in ip6greheader 1. This involves team or bonding drivers ability to dynamically change their dev-neededheadroom and/or dev-hardheaderlen ...

kernel: can: j1939: prevent deadlock by changing j1939_socks_lock to rwlock

A vulnerability was found in the Linux kernel's Controller Area Network CAN protocol, within the J1939 protocol implementation. This issue occurs due to a potential deadlock caused by a race condition involving three locks: j1939sockslock, activesessionlistlock, and sksessionqueuelock. This issue...

UBUNTU-CVE-2025-68794

In the Linux kernel, the following vulnerability has been resolved: iomap: adjust read range correctly for non-block-aligned positions iomapadjustreadrange assumes that the position and length passed in are block-aligned. This is not always the case however, as shown in the syzbot generated case...

CVE-2025-68794

In the Linux kernel, the following vulnerability has been resolved: iomap: adjust read range correctly for non-block-aligned positions iomapadjustreadrange assumes that the position and length passed in are block-aligned. This is not always the case however, as shown in the syzbot generated case...

UBUNTU-CVE-2025-68767

In the Linux kernel, the following vulnerability has been resolved: hfsplus: Verify inode mode when loading from disk syzbot is reporting that SIFMT bits of inode-imode can become bogus when the SIFMT bits of the 16bits "mode" field loaded from disk are corrupted. According to 1, the permissions...

CVE-2025-71098

The CVE CVE-2025-71098 affects the Linux kernel’s IP6_GRE path. Syzbot crashes were caused by ip6gre_header() relying on dynamic dev->needed_headroom/dev->hard_header_len, enabling skb underflow when an skb with insufficient headroom was used (e.g., during mld_sendpack/mld_finish_output pat...

CVE-2025-68796

The CVE-2025-68796 entry concerns the Linux kernel's f2fs filesystem. A zero-sized extent could be added to the extent cache during error handling in f2fs_zero_range, leading to a potential invalid state observed as a kernel BUG in fs/f2fs/extent_cache.c. The publicly documented fix is to avoid i...

CVE-2025-68794 iomap: adjust read range correctly for non-block-aligned positions

In the Linux kernel, the following vulnerability has been resolved: iomap: adjust read range correctly for non-block-aligned positions iomapadjustreadrange assumes that the position and length passed in are block-aligned. This is not always the case however, as shown in the syzbot generated case...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ptp: Added an upper bound on maxvclocks. The syzbot report indicated a WARNING regarding maxvclocksstore. This issue occurs when the argument max is too large for kcalloc to handle. The protection mechanism has been extended to...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: Net: tun: Update napi-skb after the XDP process. The syzbot report a UAF issue: BUG: KASAN: slab-use-after-free in skbresetmacheader include/linux/skbuff.h:3150 inline BUG: KASAN: slab-use-after-free in napifragsskb...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: - In the net subsystem, for USB devices, the disruptive netifwakequeue function in rtl8150setmulticast has been removed. - The syzbot tool reported a WARNING in the rtl8150startxmit/usbsubmiturb function. The sequence of event...

PT-2026-6165

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel’s GUE Generic UDP Encapsulation protocol handler contains a memory leak when processing packets with an inner IP protocol of 0. The issue occurs because gue udp recv...

PT-2026-8112

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel related to network packet dissection. Specifically, the issue arises because a network pointer was not provided to the skb flow dissect function after a...

SUSE CVE-2023-54213

In the Linux kernel, the following vulnerability has been resolved: USB: sisusbvga: Add endpoint checks The syzbot fuzzer was able to provoke a WARNING from the sisusbvga driver: ------------ cut here ------------ usb 1-1: BOGUS urb xfer, pipe 3 != type 1 WARNING: CPU: 1 PID: 26 at...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-993288)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993288 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: init quota for 'old.inode' in 'ext4rename' Syzbot found the following issue: ext4parseparam...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-993213)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993213 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: fix task hung in ext4xattrdeleteinode Syzbot reported a hung task problem:...