SUSE CVE-2026-53303

In the Linux kernel, the following vulnerability has been resolved: f2fs: protect extensionlist reading with sblock in f2fssbishow In f2fssbishow, the extensionlist, extensioncount and hotextcount are read without holding sbi-sblock. If a concurrent sysfs store modifies the extension list via...

SUSE CVE-2026-53309

In the Linux kernel, the following vulnerability has been resolved: ocfs2/dlm: fix off-by-one in dlmmatchregions region comparison The local-vs-remote region comparison loop uses '=' instead of '', causing it to read one entry past the valid range of qrregions. The other loops in the same functio...

SUSE CVE-2026-53323

In the Linux kernel, the following vulnerability has been resolved: net: dsa: remove redundant netdevlockops from conduit ethtool ops DSA replaces the conduit master device's ethtoolops with its own wrappers that aggregate stats from both the conduit and DSA switch ports. Taking the lock again...

Linux Distros Unpatched Vulnerability : CVE-2026-52971

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: ena: PHC: Fix potential use-after-free in gettimestamp Move the phc-active check and resp pointer assignment to after acquiring the spinlock. Previously,...

Linux Distros Unpatched Vulnerability : CVE-2026-53274

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/smc: fix sleep-inside-lock in smcsetsockopt causing local DoS A logic flaw in smcsetsockopt allows a local unprivileged user to cause a Denial of Service Do...

Linux Distros Unpatched Vulnerability : CVE-2026-53259

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ipv6: anycast: insert aca into global hash under idev-lock syzbot reported a splat 1: a slab-use-after- free in ipv6chkacastaddr, which walks the global...

Linux Distros Unpatched Vulnerability : CVE-2026-53227

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: openvswitch: fix possible kfreeskb of ERRPTR After the patch in the Fixes tag, the allocation of the reply skb can happen either before or after locking th...

Linux Distros Unpatched Vulnerability : CVE-2026-53084

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: return VMA snapshot from taskvma iterator Holding the per-VMA lock across the BPF program body creates a lock ordering problem when helpers acquire locks...

Linux Distros Unpatched Vulnerability : CVE-2026-53198

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ksmbd: fix use-after-free of a deferred filelock on double SMB2CANCEL A deferred byte-range lock an SMB2LOCK that blocks registers an async work on...

Linux Distros Unpatched Vulnerability : CVE-2026-53085

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: fix mm lifecycle in open-coded taskvma iterator The open-coded taskvma iterator reads task-mm locklessly and acquires mmapreadtrylock but never calls mmget...

Linux Distros Unpatched Vulnerability : CVE-2026-53020

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: um: Fix potential race condition in TLB sync During the TLB sync, we need to traverse and...

dm cache policy smq: check allocation under invalidate lock

...

concurrent-ruby: `ReentrantReadWriteLock` read-count overflow grants a write lock without exclusivity

...

concurrent-ruby: ReadWriteLock allows wrong-thread write release and stray read-release counter corruption

...

net/smc: fix sleep-inside-lock in __smc_setsockopt() causing local DoS

...

Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp

...

mm/memory-failure: fix hugetlb_lock AA deadlock in get_huge_page_for_hwpoison

...

SUSE CVE-2026-53043

In the Linux kernel, the following vulnerability has been resolved: ocfs2/dlm: validate qrnumregions in dlmmatchregions Patch series "ocfs2/dlm: fix two bugs in dlmmatchregions". In dlmmatchregions, the qrnumregions field from a DLMQUERYREGION network message is used to drive loops over the...

SUSE SLES15 : Security update for the Linux Kernel (SUSE-SU-2026:2658-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2658-1 advisory. The SUSE Linux Enterprise 15 SP5 kernel was updated to fix various security issues The following security issues were fixed: -...

CVE-2026-54905

A flaw was found in concurrent-ruby. The Concurrent::ReentrantReadWriteLock component can incorrectly grant a write lock to a thread while other threads still hold or can acquire read locks. This occurs when a thread acquires a read lock 32,768 times, causing an internal counter to incorrectly...