CVE-2026-45974

Summary: CVE-2026-45974 affects the Linux kernel btrfs quota handling. A logic error in btrfs_quota_enable() can cause invalid leaf access if the search key is not found, potentially allowing instability or DoS. The root cause is improper handling when btrfs_search_slot_for_read() returns 1 (no k...

CVE-2026-45974

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix invalid leaf access in btrfsquotaenable if ref key not found If btrfssearchslotforread returns 1, it means we did not find any key greater than or equals to the key we asked for, meaning we have reached the end of the...

CVE-2026-45974 btrfs: fix invalid leaf access in btrfs_quota_enable() if ref key not found

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix invalid leaf access in btrfsquotaenable if ref key not found If btrfssearchslotforread returns 1, it means we did not find any key greater than or equals to the key we asked for, meaning we have reached the end of the...

CVE-2026-45974 btrfs: fix invalid leaf access in btrfs_quota_enable() if ref key not found

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix invalid leaf access in btrfsquotaenable if ref key not found If btrfssearchslotforread returns 1, it means we did not find any key greater than or equals to the key we asked for, meaning we have reached the end of the...

CVE-2026-45974

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix invalid leaf access in btrfsquotaenable if ref key not found If btrfssearchslotforread returns 1, it means we did not find any key greater than or equals to the key we asked for, meaning we have reached the end of the...

Linux Distros Unpatched Vulnerability : CVE-2026-45974

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: fix invalid leaf access in btrfsquotaenable if ref key not found If btrfssearchslotforread returns 1, it means we did not find any key greater than or...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Bonding: A potential infinite loop has been prevented in the bondheaderparse function. The bondheaderparse function may enter an infinite loop if a stack of two bonding devices is set up, because skb-dev always points to the top ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net: airoha: Fixed the qid issue in the airohatcgethtbgetleafqueue routine. Fixed the following kernel warnings when deleting HTB offloaded leafs and/or root HTB qdisc in the airohaeth driver: The HTB qdisc properly reports qi...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed an inode list leak during backref walking at resolveindirectrefs During backref walking, at resolveindirectrefs, if an error occurs, we jump to the ‘out’ label and call freeleaflist on the ‘parents’ ulist. This frees...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: arm64: mm: Handle invalid large leaf mappings correctly It has been possible for a long time to mark ptes in the linear map as invalid. This is done for secretmem, kfence, realm dma memory un/share, and others, by simply clearing...

Astra Linux – Vulnerability in Linux 5.10, Linux

The mm/rmap.c file in the Linux kernel before version 5.19.7 contains a use-after-free issue related to the double reuse of the leaf anonvma structure...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: LoongArch: mm: Added definitions for p?dleaf When I perform the LTP test, the LTP test case ksm06 caused a panic at breakksmpmdentry - pmdleaf Huge page table, but False - ptepresent panic The reason is that pmdleaf is not define...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: Make sure that WRITTEN is set on all metadata blocks. Previously, we would call btrfscheckleaf if the checkIntegrity code was enabled. This meant that we could only perform extended leaf checks if WRITTEN was set on the...

CVE-2026-40701 NGINX ngx_http_ssl_module vulnerability

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttpsslmodule module when the sslverifyclient directive is set to "on" or "optional," and the sslocsp directive is set to "on" or the leaf parameters are configured with a resolver. With this configuration, an unauthenticated attacke...

SUSE CVE-2026-43153

In the Linux kernel, the following vulnerability has been resolved: xfs: remove xfsattrleafhasname The calling convention of xfsattrleafhasname is problematic, because it returns a NULL buffer when xfsattr3leafread fails, a valid buffer when xfsattr3leaflookupint returns -ENOATTR or -EEXIST, and ...

SUSE CVE-2026-43187

In the Linux kernel, the following vulnerability has been resolved: xfs: delete attr leaf freemap entries when empty Back in commit 2a2b5932db6758 "xfs: fix attr leaf header freemap.size underflow", Brian Foster observed that it's possible for a small freemap at the end of the end of the xattr...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: golang (UTSA-2026-016811)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016811 advisory. An excluded subdomain constraint in a certificate chain does not restrict the usage of wildcard SANs in the leaf certificate. For example a constraint that excludes...

EUVD-2026-28667

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix transaction abort when snapshotting received subvolumes Currently a user can trigger a transaction abort by snapshotting a previously received snapshot a bunch of times until we reach a BTRFSUUIDKEYRECEIVEDSUBVOL item...

CVE-2026-43361

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix transaction abort when snapshotting received subvolumes Currently a user can trigger a transaction abort by snapshotting a previously received snapshot a bunch of times until we reach a BTRFSUUIDKEYRECEIVEDSUBVOL item...

UBUNTU-CVE-2026-43360

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix transaction abort on file creation due to name hash collision If we attempt to create several files with names that result in the same hash, we have to pack them in same dir item and that has a limit inherent to the le...