CVE-2026-98507 mm/rmap: fix missing barrier between anon_vma init and vma->anon_vma publish

In the Linux kernel, the following vulnerability has been resolved: mm/rmap: fix missing barrier between anonvma init and vma-anonvma publish On arm64 server, we find that a task trying to grab the anonvma lock triggers hungtask. INFO: task main:2354726 blocked for more than 120 seconds. Tainted:...

CVE-2026-98507

The Linux kernel contains a memory management flaw in the mm/rmap subsystem due to a missing memory barrier during the initialization and publication of anon_vma objects. Specifically, in __anon_vma_prepare(), the store to anon_vma->root and the publication to vma->anon_vma can be reordered...

CVE-2026-98507 mm/rmap: fix missing barrier between anon_vma init and vma->anon_vma publish

In the Linux kernel, the following vulnerability has been resolved: mm/rmap: fix missing barrier between anonvma init and vma-anonvma publish On arm64 server, we find that a task trying to grab the anonvma lock triggers hungtask. INFO: task main:2354726 blocked for more than 120 seconds. Tainted:...

Linux Kernel Security Vulnerabilities

The Linux kernel version 2.6.36 has a security vulnerability. This vulnerability stems from the lack of a memory barrier between the anonvma initialization and the vma-anonvma release. This may lead to the reuse of anonvma after its root is released, causing abnormal lock states and task suspensi...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix illegal rmbdesc access in SMC-D connection dump A crash was found when dumping SMC-D connections. It can be reproduced by following steps: - run nginx/wrk test: smcrun nginx smcrun wrk -t 16 -c 1000 -d -H 'Connection...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfs/fscache: A memory barrier was added for the FSCACHEVOLUME CREATING operation. In the fscachecreatevolume function, there is a missing memory barrier between the bit-clearing operation and the wake-up operation. This may lea...

Astra Linux – vulnerability in linux-6.1, linux-5.10, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: dma-buf: insert memory barrier before updating numfences smpstoremb inserts a memory barrier after performing the store operation. This differs from what the comment originally intended; thus, a null pointer dereference may occur...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: The issue of “folio not being locked” in softleaftofolio has been fixed. On the arm64 server, we found that the “folio” data obtained from migration entries is not properly locked in softleaftofolio. This issue...

SUSE CVE-2026-93229

In the Linux kernel, the following vulnerability has been resolved: nfsd: add missing read barrier to rpcstatusget dumpit seqcount retry The hand-rolled seqcount-like protocol in nfsdnlrpcstatusgetdumpit is missing a read memory barrier smprmb before its second counter check. The standard kernel...

SUSE CVE-2026-93798

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix reloc root cleanup in mergerelocroots If the root we got has zero root refs in its root item, we are resetting the root's -relocroot without using barriers like we do everywhere else. Sashiko complained about this whil...

DEBIAN-CVE-2026-93798

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix reloc root cleanup in mergerelocroots If the root we got has zero root refs in its root item, we are resetting the root's -relocroot without using barriers like we do everywhere else. Sashiko complained about this whil...

CVE-2026-93798

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix reloc root cleanup in mergerelocroots If the root we got has zero root refs in its root item, we are resetting the root's -relocroot without using barriers like we do everywhere else. Sashiko complained about this whil...

AZL-103637 CVE-2026-93798 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix reloc root cleanup in mergerelocroots If the root we got has zero root refs in its root item, we are resetting the root's -relocroot without using barriers like we do everywhere else. Sashiko complained about this whil...

UBUNTU-CVE-2026-93798

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix reloc root cleanup in mergerelocroots If the root we got has zero root refs in its root item, we are resetting the root's -relocroot without using barriers like we do everywhere else. Sashiko complained about this whil...

DEBIAN-CVE-2026-93229

In the Linux kernel, the following vulnerability has been resolved: nfsd: add missing read barrier to rpcstatusget dumpit seqcount retry The hand-rolled seqcount-like protocol in nfsdnlrpcstatusgetdumpit is missing a read memory barrier smprmb before its second counter check. The standard kernel...

CVE-2026-93798 btrfs: fix reloc root cleanup in merge_reloc_roots()

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix reloc root cleanup in mergerelocroots If the root we got has zero root refs in its root item, we are resetting the root's -relocroot without using barriers like we do everywhere else. Sashiko complained about this whil...

CVE-2026-93798

The Linux kernel contains a vulnerability in the btrfs filesystem regarding reloc root cleanup within the merge_reloc_roots() function. The issue occurs when a root with zero root references is processed; the system was resetting the ->reloc_root pointer without utilizing necessary memory barr...

EUVD-2026-86185

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix reloc root cleanup in mergerelocroots If the root we got has zero root refs in its root item, we are resetting the root's -relocroot without using barriers like we do everywhere else. Sashiko complained about this whil...

CVE-2026-93798 btrfs: fix reloc root cleanup in merge_reloc_roots()

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix reloc root cleanup in mergerelocroots If the root we got has zero root refs in its root item, we are resetting the root's -relocroot without using barriers like we do everywhere else. Sashiko complained about this whil...

CVE-2026-93229

The Linux kernel is affected by a vulnerability in the nfsd component. Specifically, the hand-rolled seqcount-like protocol in nfsd_nl_rpc_status_get_dumpit() lacks a read memory barrier (smp_rmb) before its second counter check. On weakly-ordered architectures such as ARM and POWER , the CPU may...