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

In the Linux kernel, the following vulnerabilities have been resolved: SCTP: Fixed a nullptrderef issue in reuseportaddsock. syzbot reported a nullptrderef while accessing sk2-skreuseportcb in reuseportaddsock. The repro first creates a listener with SOREUSEPORT. Then, it creates another listener...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: tipc: The process of creating a BC link has been moved back to tipcnodecreate. Shuang Li reported a NULL pointer dereference crash: - Bug: NULL pointer dereference in the kernel; address: 0000000000000068 - RIP: 0010:...

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: netfilter: conntrack: clamping the maximum hashtable size to INTMAX The maximum size of the conntrack hashtable should be set to INTMAX. Otherwise, it is possible to encounter a WARNONONCE error in kvmallocnodenoprof when resizin...

Astra Linux – Vulnerability in Firefox

A hashtable in the Ion Engine could have been mutated while there was a live internal reference, resulting in a potential use-after-free and exploitable crash. This vulnerability affects Firefox versions less than 118...

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

It was discovered that the clsRoute filter implementation in the Linux kernel would not remove an old filter from the hashtable before freeing it, if its handle had the value 0...

CVE-2026-74564

In the Linux kernel, the following vulnerability has been resolved: netfilter: xthashlimit: validate hashtable supports XTHASHLIMITRATEMATCH The XTHASHLIMITRATEMATCH flag mode changes the semantics of the dsthashent structure which represents an entry in the hashtable. There is a union area which...

CVE-2026-74564

In the Linux kernel, the following vulnerability has been resolved: netfilter: xthashlimit: validate hashtable supports XTHASHLIMITRATEMATCH The XTHASHLIMITRATEMATCH flag mode changes the semantics of the dsthashent structure which represents an entry in the hashtable. There is a union area which...

Linux Distros Unpatched Vulnerability : CVE-2026-64005

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/smc: Do not re-initialize smc hashtables INITHLISTHEAD&smcvhashinfo.ht are called after smcnlinit, protoregister and sockregister. This can lead to...

kernel: netfilter: conntrack: clamp maximum hashtable size to INT_MAX

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: clamp maximum hashtable size to INTMAX Use INTMAX as maximum size for the conntrack hashtable. Otherwise, it is possible to hit WARNONONCE in kvmallocnodenoprof when resizing hashtable because GFPNOWARN is...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftsetpipapo: clamp the maximum map bucket size to INTMAX Otherwise, a WARNONONCE error may occur in kvmallocnodenoprof when resizing the hashtable, because GFPNOWARN is not set. Similar issues include: b541ba7d1f5a...

CVE-2026-45970 bonding: alb: fix UAF in rlb_arp_recv during bond up/down

In the Linux kernel, the following vulnerability has been resolved: bonding: alb: fix UAF in rlbarprecv during bond up/down The ALB RX path may access rxhashtbl concurrently with bond teardown. During rapid bond up/down cycles, rlbdeinitialize frees rxhashtbl while RX handlers are still running,...

CVE-2026-43071

A flaw was found in the Linux kernel's dcache component. When the 'dhashentries' parameter is set to one, an out-of-bounds OOB read occurs in the dentryhashtable. This issue arises due to an incorrect calculation of the 'dhashshift' value, causing the system to attempt to access unallocated memor...

SUSE CVE-2026-43071

In the Linux kernel, the following vulnerability has been resolved: dcache: Limit the minimal number of bucket to two There is an OOB read problem on dentryhashtable when user sets 'dhashentries=1': BUG: unable to handle page fault for address: ffff888b30b774b0 PF: supervisor read access in kerne...

EUVD-2026-27375

In the Linux kernel, the following vulnerability has been resolved: dcache: Limit the minimal number of bucket to two There is an OOB read problem on dentryhashtable when user sets 'dhashentries=1': BUG: unable to handle page fault for address: ffff888b30b774b0 PF: supervisor read access in kerne...

CVE-2026-43071

In the Linux kernel, the following vulnerability has been resolved: dcache: Limit the minimal number of bucket to two There is an OOB read problem on dentryhashtable when user sets 'dhashentries=1': BUG: unable to handle page fault for address: ffff888b30b774b0 PF: supervisor read access in kerne...

CVE-2026-43071

CVE-2026-43071 affects the Linux kernel dcache component, specifically an OOB read in dentry_hashtable when dhash_entries is set to 1. The root cause is incorrect d_hash_shift calculation, causing an access to unallocated memory and potential kernel panic/DoS. The issue is mitigated by patching t...

CVE-2026-43071 dcache: Limit the minimal number of bucket to two

In the Linux kernel, the following vulnerability has been resolved: dcache: Limit the minimal number of bucket to two There is an OOB read problem on dentryhashtable when user sets 'dhashentries=1': BUG: unable to handle page fault for address: ffff888b30b774b0 PF: supervisor read access in kerne...

CVE-2026-43071 dcache: Limit the minimal number of bucket to two

In the Linux kernel, the following vulnerability has been resolved: dcache: Limit the minimal number of bucket to two There is an OOB read problem on dentryhashtable when user sets 'dhashentries=1': BUG: unable to handle page fault for address: ffff888b30b774b0 PF: supervisor read access in kerne...

CVE-2026-43071

In the Linux kernel, the following vulnerability has been resolved: dcache: Limit the minimal number of bucket to two There is an OOB read problem on dentryhashtable when user sets 'dhashentries=1': BUG: unable to handle page fault for address: ffff888b30b774b0 PF: supervisor read access in kerne...

Linux Distros Unpatched Vulnerability : CVE-2026-43071

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: dcache: Limit the minimal number of bucket to two There is an OOB read problem on...