PT-2026-51731

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference exists in the BPF Berkeley Packet Filter subsystem. The function bpf selem unlink nofail sets the smap variable to NULL before removing the element from the...

PT-2026-52003

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the powerpc architecture's page table fragment management. The system uses pt frag refcount to track page table fragments. When pte free defer is called during madvise...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: afunix: Do not use GC if MSGPEEK occurred. Igor Ushakov reported that GC purged the receive queue of a live socket due to a race with MSGPEEK, with a fix provided. This is exactly the same issue that was previously fixed in the...

kernel: smc: Fix use-after-free in __pnet_find_base_ndev()

In the Linux kernel, the following vulnerability has been resolved: smc: Fix use-after-free in pnetfindbasendev. syzbot reported use-after-free of netdevice in pnetfindbasendev, which was called during connect. 0 smcpnetfindismresource fetches skdstgetsk-dev and passes down to pnetfindbasendev,...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Net: DSA: Microchip: Kszcommon: Fixed the refcount leak bug. In kszswitchregister, we should call ofnodeput for the reference returned by ofgetchildbyname, which has increased the refcount...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: mdio: Fixed an unbalanced fwnode reference count in mdiodevicerelease. There is a warning report regarding a refcount leak when probing the mdio device: OF: Error: Memory leak; the expected refcount was 1 instead of 2. The...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: - net: 9p: fixed a refcount leak in error handling of p9readwork. - p9reqput must be called when m-rreq-rc.sdata is NULL to avoid a temporary refcount leak. Dominique: made changes to the commit message, fixed arguments for...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ASoC: mediatek: mt8183: fixed a refcount leak in mt8183mt6358ts3a227max98357devprobe. The node returned by ofparsephandle has a refcount that is incremented; ofnodeput must be called when using it again. Therefore, this issue nee...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: powerpc/xive: Fixed the refcount leak in xivespaprinit. offindcompatiblenode returns a node pointer with a refcount incremented; we should use ofnodeput on it after processing. Added ofnodeput to prevent the refcount leak...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ASoC: atmel: Fixed error handling in sndprotoprobe. The devicenode pointer is returned by ofparsephandle, with the refcount incremented. We should use ofnodeput on it after that operation. This function only calls ofnodeput in th...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: cifs: A connection leak occurs when the tlink setup fails. If the tlink setup fails and connections are lost, then the refcnt leak occurs due to the cifsd kthread not exiting. Additionally, fscache information is also leaked...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: remoteproc: imxrproc: The issue of a refcount leak in imxrprocaddrinit has been fixed. Since the ofparsephandle function returns a node pointer with a refcount incremented, we should use ofnodeput on it when it is no longer neede...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ASoC: mt6359 – Fixed a refcount leak bug. In functions mt6359parsedt and mt6359accdetparsedt, we should call ofnodeput for the reference returned by ofgetchildbyname, which has caused an increase in the refcount...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: 9p: Setting the refcount to zero was added to avoid uninitialized usage. When a new request is allocated, the refcount will be zero if the request is reused. However, if the request is newly allocated from a slab structure, it...

Siemens RUGGEDCOM RST2428P Improper Update of Reference Count (CVE-2025-40251)

In the Linux kernel, the following vulnerability has been resolved: devlink: rate: Unset parent pointer in devlratenodesdestroy The function devlratenodesdestroy is documented to Unset parent for all rate objects. However, it was only calling the driver-specific rateleafparentset or...

kernel: nbd: defer config unlock in nbd_genl_connect

In the Linux kernel, the following vulnerability has been resolved: nbd: defer config unlock in nbdgenlconnect There is one use-after-free warning when running NBDCMDCONNECT and NBDCLEARSOCK: nbdgenlconnect nbdallocandinitconfig // configrefs=1 nbdstartdevice // configrefs=2 set NBDRTHASCONFIGREF...

kernel: nbd: defer config unlock in nbd_genl_connect

In the Linux kernel, the following vulnerability has been resolved: nbd: defer config unlock in nbdgenlconnect There is one use-after-free warning when running NBDCMDCONNECT and NBDCLEARSOCK: nbdgenlconnect nbdallocandinitconfig // configrefs=1 nbdstartdevice // configrefs=2 set NBDRTHASCONFIGREF...

kernel: nbd: defer config unlock in nbd_genl_connect

In the Linux kernel, the following vulnerability has been resolved: nbd: defer config unlock in nbdgenlconnect There is one use-after-free warning when running NBDCMDCONNECT and NBDCLEARSOCK: nbdgenlconnect nbdallocandinitconfig // configrefs=1 nbdstartdevice // configrefs=2 set NBDRTHASCONFIGREF...

CVE-2026-46319

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: Only release RCU read lock after ctft When looking up a flow table in actct in tcfctflowtableget, rhashtablelookupfast internally opens and closes an RCU read critical section before returning ctft. The...

AlmaLinux 10 : kernel (ALSA-2026:18134)

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:18134 advisory. kernel: tcpbpf: Fix the skmemuncharge logic in tcpbpfsendmsg CVE-2024-56633 kernel: KVM: x86: Load DR6 with guest value only before entering .vcpurun lo...