Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: mptcp: Fallback earlier on simultaneous connections Syzkaller reports a race condition in simultaneous connections that leads to inconsistent fallback behavior. Status: WARNING: CPU: 3 PID: 33 at net/mptcp/subflow.c:1515...

PT-2026-51886

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bounds write occurs in the ADFS file system when processing a crafted image with a zero zone count. During boot block validation, if the nzones variable is 0, the adfs read map...

Linux Distros Unpatched Vulnerability : CVE-2026-46116

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xfrm: defensively unhash xfrmstate lists in xfrmstatedelete KASAN reproduces a slab-use-after-free in xfrmstatedelete's hlistdelrcu calls under syzkaller load ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iommufd: IOMMUFDDESTROY should not increment the refcount. syzkaller identified a race condition where IOMMUFDDESTROY increments the refcount: c obj = iommufdgetobjectucmd-ictx, cmd-id, IOMMUFDOBJANY; if ISERRobj return PTRERRobj...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: lapbether: ignore ops-locked netdevs Syzkaller managed to trigger a lock dependency in xsknotify via registernetdevice. As discussed in 0, using registernetdevice in notifiers is problematic, so we skip adding the lapbeth fo...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: macsec: sync features on RTMNEWLINK Syzkaller was able to lock the lower device via ETHTOOLSFEATURES: - netdevlock, include/linux/netdevice.h: 2761 inline - netdevops, include/net/netdevlock.h: 42 inline -...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: erofs: Fixed a memory leak when the block address of a non-inlined pcluster is zero. Syzkaller reported a memory leak: https://syzkaller.appspot.com/bug?id=62f37ff612f0021641eda5b17f056f1668aa9aed Unreferenced object...

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SUSE CVE-2026-43228

In the Linux kernel, the following vulnerability has been resolved: hfs: Replace BUGON with error handling for CNID count checks In a06ec283e125 nextid, foldercount, and filecount in the super block info were expanded to 64 bits, and BUGONs were added to detect overflow. This triggered an error...

CVE-2026-43331

In the Linux kernel, the following vulnerability has been resolved: x86/kexec: Disable KCOV instrumentation after loadsegments The loadsegments function changes segment registers, invalidating GS base which KCOV relies on for per-cpu data. When CONFIGKCOV is enabled, any subsequent instrumented C...

EUVD-2026-27662

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Ignore -EBUSY when checking nested events from vcpublock Ignore -EBUSY when checking nested events after exiting a blocking state while L2 is active, as exiting to userspace will generate a spurious userspace exit,...

CVE-2026-43090

In the Linux kernel, the following vulnerability has been resolved: xfrm: fix refcount leak in xfrmmigratepolicyfind syzkaller reported a memory leak in xfrmpolicyalloc: BUG: memory leak unreferenced object 0xffff888114d79000 size 1024: comm "syz.1.17", pid 931 ... xfrmpolicyalloc+0xb3/0x4b0...

CVE-2026-43090

CVE-2026-43090 concerns a Linux kernel memory-leak in the XFRM subsystem. The root cause is a double call to xfrm_pol_hold_rcu() inside xfrm_migrate_policy_find(), even though the lookup function already returns a policy with a held reference. This leads to a refcount imbalance and memory leak of...

Linux Distros Unpatched Vulnerability : CVE-2026-43036

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: use skbheaderpointer for TCPv4 GSO fragoff check Syzbot reported a KMSAN uninit-value warning in gsofeaturescheck called from netifskbfeatures 1...

Linux Distros Unpatched Vulnerability : CVE-2026-31751

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - comedi: dt2815: add hardware detection to prevent crash The dt2815 driver crashes when attached to I/O ports without actual hardware present. This occurs becaus...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013840)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013840 advisory. In the Linux kernel, the following vulnerability has been resolved: wifi: ath9k: htchst: free skb in ath9khtcrxmsg if there is no callback function It is stated that...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013745)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013745 advisory. In the Linux kernel, the following vulnerability has been resolved: nfc: pn533: Clear nfctarget before being used Fix a slab-out-of-bounds read that occurs in nlaput...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013646)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013646 advisory. In the Linux kernel, the following vulnerability has been resolved: wifi: ath9k: hifusb: fix memory leak of urbs in ath9khifusbdealloctxurbs Syzkaller reports a...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013327)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013327 advisory. In the Linux kernel, the following vulnerability has been resolved: net: do not allow gsosize to be set to GSOBYFRAGS One missing check in virtionethdrtoskb allowed...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-010851)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010851 advisory. In the Linux kernel, the following vulnerability has been resolved: wifi: ath9k: htchst: free skb in ath9khtcrxmsg if there is no callback function It is stated that...