Linux Distros Unpatched Vulnerability : CVE-2026-53048

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - gfs2: prevent NULL pointer dereference during unmount When flushing out outstanding glock work during an unmount, gfs2logflush can be called when sdp-sdjdesc ha...

EUVD-2026-38900

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix NULL deref in mapkptrmatchtype for scalar regs Commit ab6c637ad027 "bpf: Fix a bpfkptrxchg issue with local kptr" refactored mapkptrmatchtype to branch on btfiskernel before checking basetype. A scalar register stored in...

CVE-2026-53080

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsfw: fix NULL dereference of "old" filters before change Like pointed out by Sashiko 1, since commit ed76f5edccc9 "net: sched: protect filterchain list with filterchainlock mutex" TC filters are added to a shared blo...

CVE-2026-53032

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix NULL deref in mapkptrmatchtype for scalar regs Commit ab6c637ad027 "bpf: Fix a bpfkptrxchg issue with local kptr" refactored mapkptrmatchtype to branch on btfiskernel before checking basetype. A scalar register stored in...

CVE-2026-52998

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkosf: fix potential NULL dereference in ttl check The nfosfttl function accessed skb-dev to perform a local interface address lookup without verifying that the device pointer was valid. Additionally, the...

CVE-2026-52951

In the Linux kernel, the following vulnerability has been resolved: drm/xe/dma-buf: handle empty bo and UAF races There look to be some nasty races here when triggering the invalidatemappings hook: 1 We do xeboalloc followed by the attach, before the actual full bo init step in xedmabufinitobj...

CVE-2026-53032

The CVE-2026-53032 issue affects the Linux kernel's BPF subsystem, specifically the map_kptr_match_type function. A scalar register stored into a kptr can trigger a NULL dereference when the code branches on btf_is_kernel(reg->btf) before verifying base_type(), since such registers have no BTF...

CVE-2026-52998 netfilter: nfnetlink_osf: fix potential NULL dereference in ttl check

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkosf: fix potential NULL dereference in ttl check The nfosfttl function accessed skb-dev to perform a local interface address lookup without verifying that the device pointer was valid. Additionally, the...

CVE-2026-52998 netfilter: nfnetlink_osf: fix potential NULL dereference in ttl check

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkosf: fix potential NULL dereference in ttl check The nfosfttl function accessed skb-dev to perform a local interface address lookup without verifying that the device pointer was valid. Additionally, the...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: powerpc/smp: Added a check for a failure in kcalloc in parsethreadgroups. Since kcalloc may fail, it is necessary to check its return value to prevent a NULL pointer derefrence when passing it to ofpropertyreadu32array...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ACPICA: Avoid walking the Namespace if startnode is NULL Although commit 0c9992315e73 “ACPICA: Avoid walking the ACPI Namespace if it is not there” fixed the issue when both startnode and acpigblrootnode were NULL, the Linux kern...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fix for NULL dereference on the root when tracing inode eviction. When evicting an inode, the first step is to set up tracing for it, which involves retrieving the root’s ID. However, in btrfsevictinode, the root might be...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Staging: rtl8723bs – fixed a null dereference in the findnetwork function. The variable pwlan may become NULL when passed to rtwfreenetworknolock, which could lead to a dereference of the variable later on...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net: sxgbe: fixed the potential NULL dereference in sxgberx. Currently, when skb is null, the driver prints an error and then dereferences skb on the next line. To fix this, we need to add a ‘break’ after the error message, so th...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: net/sched: actife: avoided possible NULL derefrence tcfifeencode must ensure that ifeencode does not return NULL. syzbot reported: Oops: general protection fault, likely for a non-canonical address 0xdffffc0000000000: 0000 1 S...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/sched: schqfq: Fixed a null dereference in aggdequeue. To prevent a potential crash in aggdequeue when cl-qdisc-ops-peekcl-qdisc returns NULL, we check the returned value before using it, similar to the existing approach in...

SUSE-SU-2026:2614-1 Security update for openssl-1_1

This update for openssl-11 fixes the following issues: - CVE-2026-45447: Heap Use-After-Free in OpenSSL PKCS7verify bsc1266357. - CVE-2026-42766: Possible NULL Dereference in Password-Based CMS Decryption bsc1266349. - CVE-2026-9076: Out-of-Bounds Read in CMS Password-Based Decryption bsc1266341....

CVE-2026-52941

In the Linux kernel, the following vulnerability has been resolved: net/smc: avoid NULL deref of conn-lnk in smcmsgevent tracepoint The smcmsgevent tracepoint class, shared by smctxsendmsg and smcrxrecvmsg, unconditionally dereferences smc-conn.lnk: stringname, smc-conn.lnk-ibname conn-lnk is onl...

EUVD-2026-38711

In the Linux kernel, the following vulnerability has been resolved: net/smc: avoid NULL deref of conn-lnk in smcmsgevent tracepoint The smcmsgevent tracepoint class, shared by smctxsendmsg and smcrxrecvmsg, unconditionally dereferences smc-conn.lnk: stringname, smc-conn.lnk-ibname conn-lnk is onl...

CVE-2026-52941

In the Linux kernel, the following vulnerability has been resolved: net/smc: avoid NULL deref of conn-lnk in smcmsgevent tracepoint The smcmsgevent tracepoint class, shared by smctxsendmsg and smcrxrecvmsg, unconditionally dereferences smc-conn.lnk: stringname, smc-conn.lnk-ibname conn-lnk is onl...