UBUNTU-CVE-2026-23223

In the Linux kernel, the following vulnerability has been resolved: xfs: fix UAF in xchkbtreecheckblockowner We cannot dereference bs-cur when trying to determine if bs-cur aliases bs-sc-sa.bno,rmapcur after the latter has been freed. Fix this by sampling before type before any freeing could...

CVE-2026-23223

CVE-2026-23223 relates to the Linux kernel where the XFS filesystem code exhibits a use-after-free in xchk_btree_check_block_owner. The issue arises from dereferencing bs->cur after it (or related pointers) may have been freed, leading to incorrect aliasing checks for bs->sc->sa.{bno,rma...

CVE-2026-23223 xfs: fix UAF in xchk_btree_check_block_owner

In the Linux kernel, the following vulnerability has been resolved: xfs: fix UAF in xchkbtreecheckblockowner We cannot dereference bs-cur when trying to determine if bs-cur aliases bs-sc-sa.bno,rmapcur after the latter has been freed. Fix this by sampling before type before any freeing could...

CVE-2026-23223

In the Linux kernel, the following vulnerability has been resolved: xfs: fix UAF in xchkbtreecheckblockowner We cannot dereference bs-cur when trying to determine if bs-cur aliases bs-sc-sa.bno,rmapcur after the latter has been freed. Fix this by sampling before type before any freeing could...

CVE-2026-23223 xfs: fix UAF in xchk_btree_check_block_owner

In the Linux kernel, the following vulnerability has been resolved: xfs: fix UAF in xchkbtreecheckblockowner We cannot dereference bs-cur when trying to determine if bs-cur aliases bs-sc-sa.bno,rmapcur after the latter has been freed. Fix this by sampling before type before any freeing could...

CVE-2025-71237

In the Linux kernel, the following vulnerability has been resolved: nilfs2: Fix potential block overflow that cause system hang When a user executes the FITRIM command, an underflow can occur when calculating nblocks if endblock is too small. Since nblocks is of type sectort, which is u64, a...

CVE-2025-71237

In the Linux kernel, the following vulnerability has been resolved: nilfs2: Fix potential block overflow that cause system hang When a user executes the FITRIM command, an underflow can occur when calculating nblocks if endblock is too small. Since nblocks is of type sectort, which is u64, a...

CVE-2025-71237 nilfs2: Fix potential block overflow that cause system hang

In the Linux kernel, the following vulnerability has been resolved: nilfs2: Fix potential block overflow that cause system hang When a user executes the FITRIM command, an underflow can occur when calculating nblocks if endblock is too small. Since nblocks is of type sectort, which is u64, a...

CVE-2025-71237

CVE-2025-71237 corresponds to a Linux kernel nilfs2 issue where an underflow during FITRIM end_block calculation can produce a negative nblocks, turning into a large positive value and causing the block layer to hang while processing a discard. The description and connected advisories confirm the...

CVE-2025-71237 nilfs2: Fix potential block overflow that cause system hang

In the Linux kernel, the following vulnerability has been resolved: nilfs2: Fix potential block overflow that cause system hang When a user executes the FITRIM command, an underflow can occur when calculating nblocks if endblock is too small. Since nblocks is of type sectort, which is u64, a...

CVE-2025-71230 hfs: ensure sb->s_fs_info is always cleaned up

In the Linux kernel, the following vulnerability has been resolved: hfs: ensure sb-sfsinfo is always cleaned up When hfs was converted to the new mount api a bug was introduced by changing the allocation pattern of sb-sfsinfo. If setupbdevsuper fails after a new superblock has been allocated by...

CVE-2025-71230

In the Linux kernel, the following vulnerability has been resolved: hfs: ensure sb-sfsinfo is always cleaned up When hfs was converted to the new mount api a bug was introduced by changing the allocation pattern of sb-sfsinfo. If setupbdevsuper fails after a new superblock has been allocated by...

GHSA-PG2V-8XWH-QHCC OpenClaw affected by SSRF in optional Tlon (Urbit) extension authentication

Summary The optional Tlon Urbit extension previously accepted a user-provided base URL for authentication and used it to construct an outbound HTTP request, enabling server-side request forgery SSRF in affected deployments. Impact This only affects deployments that have installed and configured t...

Chrome “preloading” could be leaking your data and causing problems in Browser Guard

This article explains why Chrome’s “preloading” feature can cause scary-looking blocks in Malwarebytes Browser Guard and how to turn it off. Modern browsers want to provide content instantly. To do that, Chrome includes a feature called page preloading. When this is enabled, Chrome doesn’t just...

GO-2026-4494 lakeFS vulnerable to path traversal in local block adapter allow cross-namespace and sibling directory access in github.com/treeverse/lakefs

lakeFS vulnerable to path traversal in local block adapter allow cross-namespace and sibling directory access in github.com/treeverse/lakefs...

GO-2026-4488 webtransport-go: CloseWithError can block indefinitely in github.com/quic-go/webtransport-go

webtransport-go: CloseWithError can block indefinitely in github.com/quic-go/webtransport-go...

USN-8028-5: Linux kernel vulnerabilities

It was discovered that improper initialization of CPU cache memory could allow a local attacker with hypervisor access to overwrite SEV-SNP guest memory resulting in loss of data integrity. CVE-2024-36331 Oleksii Oleksenko, Cedric Fournet, Jana Hofmann, Boris Köpf, Stavros Volos, and Flavien Solt...

USN-8048-1: Linux kernel (OEM) 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; - Nios II architecture; - PA-RISC architecture; - RISC-V architecture; -...

USN-8048-1 linux-oem-6.17 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; - Nios II architecture; - PA-RISC architecture; - RISC-V architecture; -...

USN-8034-2 linux-nvidia-tegra-igx 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: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux UML; - x86 architecture; - Block layer subsystem;...