CVE-2026-63920

In the Linux kernel, the following vulnerability has been resolved: ipv6: validate extension header length before copying to cmsg ip6datagramrecvspecificctl builds IPV6HOPOPTS,DSTOPTS,RTHDR cmsgs and their IPV62292 legacy counterparts by trusting the on-wire hdrlen byte ptr1 when computing the...

EUVD-2026-45647

In the Linux kernel, the following vulnerability has been resolved: fs/statmount: fix slab out-of-bounds write in statmountmntidmap statmountmntidmap writes one mapping with seqprintf and then manually advances seq-count to include the NUL separator. If seqprintf overflows, seqsetoverflow sets...

Security update for glycin-loaders (moderate)

openSUSE security update: security update for glycin-loaders ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:21134-1 Rating: moderate References: bsc1248035 bsc1249010 Cross-References: CVE-2025-55159 CVE-2025-58160 CVSS scores: CVE-2025-55159 SUSE ...

EUVD-2026-39321

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix slab-out-of-bounds in mlx5querynicvportmaclist mlx5querynicvportmaclist sizes its firmware command buffer using the PF's logmaxcurrentuc/mclist capabilities. When querying a VF vport with a larger configured max via...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Wifi: rtl8xxxu: Fixed a slab-out-of-bounds issue in rtl8xxxustaadd. The driver does not set hw-stadatasize, which causes mac80211 to allocate insufficient space for the driver’s private station data in stainfoalloc. When...

OPENSUSE-SU-2026:21134-1 Security update for glycin-loaders

This update for glycin-loaders fixes the following issues - CVE-2025-55159: slab: incorrect bounds check in getdisjointmut function can lead to undefined behavior or potential crash due to out-of-bounds access bsc1248035. - CVE-2025-58160: tracing-subscriber: Tracing log pollution bsc1249010...

K000161577: Linux kernel vulnerability CVE-2025-39817

Security Advisory Description In the Linux kernel, the following vulnerability has been resolved: efivarfs: Fix slab-out-of-bounds in efivarfsdcompare Observed on kernel 6.6 present on master as well: BUG: KASAN: slab-out-of-bounds in memcmp+0x98/0xd0 Call trace: kasancheckrange+0xe8/0x190...

libceph: Fix slab-out-of-bounds access in auth message processing

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UBUNTU-CVE-2026-45935

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fix slab-out-of-bounds read in DeleteIndexEntryRoot In the 'DeleteIndexEntryRoot' case of the 'doaction' function, the entry size 'esize' is retrieved from the log record without adequate bounds checking. Specifically,...

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: md/raid10: check slab-out-of-bounds in mdbitmapgetcounter If we write a large number to md/bitmapsetbits, mdbitmapcheckpage will return -EINVAL because ‘page = bitmap-pages’. However, the returned value was not checked immediatel...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: HID: betop: fixed a slab-out-of-bounds Write issue in betopprobe. Syzbot reported a slab-out-of-bounds Write bug in the hid-betopff driver. The issue arises because the driver assumes that the device must have an input report;...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: tracing/osnoise: Fixed an out-of-bounds access in parseintegerlimit. When configuring osnoisecpus using the write system call, the following KASAN issue may occur: BUG: KASAN: Out-of-bounds access in parseintegerlimit+0x103/0x130...

CVE-2026-43449

In the Linux kernel, the following vulnerability has been resolved: nvme-pci: Fix slab-out-of-bounds in nvmedbbufset dev-onlinequeues is a count incremented in nvmeinitqueue. Thus, valid indices are 0 through dev-onlinequeues − 1. This patch fixes the loop condition to ensure the index stays with...

CVE-2026-43449 nvme-pci: Fix slab-out-of-bounds in nvme_dbbuf_set

In the Linux kernel, the following vulnerability has been resolved: nvme-pci: Fix slab-out-of-bounds in nvmedbbufset dev-onlinequeues is a count incremented in nvmeinitqueue. Thus, valid indices are 0 through dev-onlinequeues − 1. This patch fixes the loop condition to ensure the index stays with...

CVE-2026-43025

A flaw was found in the Linux kernel's netfilter component. A local user could exploit a slab-out-of-bounds vulnerability by providing a different helper than the existing master conntrack helper when creating new expectations. This could allow an attacker to read kernel memory bytes off the...

EUVD-2026-26605

In the Linux kernel, the following vulnerability has been resolved: iouring/rsrc: reject zero-length fixed buffer import validatefixedrange admits bufaddr at the exact end of the registered region when len is zero, because the check uses strict greater-than bufend imu-ubuf + imu-len. ioimportfixe...

kernel: net/sched: cls_u32: use skb_header_pointer_careful()

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsu32: use skbheaderpointercareful skbheaderpointer does not fully validate negative @offset values. Use skbheaderpointercareful instead. GangMin Kim provided a report and a repro fooling u32classify: BUG: KASAN:...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013664)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013664 advisory. In the Linux kernel, the following vulnerability has been resolved: hfsplus: fix slab-out-of-bounds read in hfsplusstrcasecmp The hfsplusstrcasecmp logic can trigger...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013194)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013194 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf: Don't use tnumrange on array range checking for poke descriptors Hsin-Wei reported a KASAN...

kernel: net/sched: cls_u32: use skb_header_pointer_careful()

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsu32: use skbheaderpointercareful skbheaderpointer does not fully validate negative @offset values. Use skbheaderpointercareful instead. GangMin Kim provided a report and a repro fooling u32classify: BUG: KASAN:...