Unity Linux 20.1070a Security Update: kernel (UTSA-2026-146252)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-146252 advisory. In the Linux kernel, the following vulnerability has been resolved: configfs: fix lockless traversals of -schildren Having the parent directory locked protects entri...

Unity Linux 20.1020e / 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-142479)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-142479 advisory. In the Linux kernel, the following vulnerability has been resolved: configfs: fix lockless traversals of -schildren Having the parent directory locked protects entri...

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

In the Linux kernel, the following vulnerability has been resolved: scsi: Revert “scsi: qla2xxx: Perform lockless command completion in abort path” This reverts commit 0367076b0817d5c75dfb83001ce7ce5c64d803a9. The commit being reverted added code to qla2x00abortallcmds to call sp-done without...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: netlink: Annotate lockless accesses to nlk-maxrecvmsglen. syzbot reported a data race in netlinkrecvmsg. Indeed, netlinkrecvmsg can be executed concurrently, and netlinkdump also requires protection. 1 Bug: KCSAN: Data race in...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: List: Fixed a data race around ep-rdllist. The eppoll function first calls epeventsavailable without holding a lock and checks if ep-rdllist is empty using listemptycareful, which reads from rdllist-prev. Therefore, all access...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: afunix: Fixed a data race in unixdgrampeerwakeme. unixdgrampoll calls unixdgrampeerwakeme without ensuring that the other lock is held, and without checking whether the receive queue is full. In this case, we need to use...

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

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: use timestamp to check for set element timeout Add a timestamp field at the beginning of the transaction, store it in the nftables per-netns area. Update set backend .insert, .deactivate and sync gc path to u...

CVE-2026-93239

In the Linux kernel, the following vulnerability has been resolved: arm64: mm: Fix the lockless page-table walk in showpte showpte walks page tables locklessly and can run with interrupts enabled. A concurrent teardown can free a table page while it is being walked. It can also clear a parent ent...

SUSE CVE-2026-89928

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Consume the locked rmap value in the lockless rmap walk kvmrmaplock deliberately elides the rmap lock when it observes an empty rmap. In that case kvmrmaplockreadonly also re-enables preemption and returns zero, so...

DEBIAN-CVE-2026-89928

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Consume the locked rmap value in the lockless rmap walk kvmrmaplock deliberately elides the rmap lock when it observes an empty rmap. In that case kvmrmaplockreadonly also re-enables preemption and returns zero, so...

EUVD-2026-80528

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Consume the locked rmap value in the lockless rmap walk kvmrmaplock deliberately elides the rmap lock when it observes an empty rmap. In that case kvmrmaplockreadonly also re-enables preemption and returns zero, so...

CVE-2026-89928

CVE-2026-89928 is a slab use-after-free in the Linux kernel's KVM x86/mmu subsystem. The root cause is a race condition in the lockless reverse-mapping (rmap) walk: kvm_rmap_age_gfn_range() ignores the value returned by kvm_rmap_lock_readonly() and instead re-reads the rmap head via rmap_get_firs...

CVE-2026-89928 KVM: x86/mmu: Consume the locked rmap value in the lockless rmap walk

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Consume the locked rmap value in the lockless rmap walk kvmrmaplock deliberately elides the rmap lock when it observes an empty rmap. In that case kvmrmaplockreadonly also re-enables preemption and returns zero, so...

CVE-2026-89928: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Consume the locked rmap value in the lockless rmap walk kvmrmaplock deliberately elides the rmap lock when it observes an empty rmap. In that case kvmrmaplockreadonly also re-enables preemption and returns zero, so...

PT-2026-93569

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the KVM x86 MMU where the kvm rmap lock function elides the rmap lock when an empty rmap is observed. The kvm rmap age gfn range function ignores the returned value an...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/sched: teql: Fix double-free in teqlmasterxmit Whenever a TEQL device has a lockless Qdisc as its root, the qdiscreset function should be called using the seqlock to avoid race conditions with the datapath. Failure to do this...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: sched: avoiding a race condition for qdiscresetalltxgt when dealing with lockless qdiscs When reducing the number of real TX queues, the netifsetrealnumtxqueues function calls qdiscresetalltxgt to flush the qdiscs for queues...

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

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Perform lockless command completion in the abort path While adding and removing controllers, the following call trace was observed: WARNING: CPU: 3 PID: 623596 at kernel/dma/mapping.c:532 dmafree attrs+0x33/0x50 CP...

Linux Distros Unpatched Vulnerability : CVE-2026-89771

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ring-buffer: Fix subbuf resize race with ring buffer readers tracebuffer subbufsize is read lockless in ringbufferreadpage and ringbufferreadstart, while it can...

Linux Distros Unpatched Vulnerability : CVE-2026-89705

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nfsd: restore rqstatuscounter to even on all nfsddispatch exit paths nfsddispatch sets rqstatuscounter to an odd value once a request has been decoded, and back...