CVE-2026-89777 vfio/pci: clear vdev->msi_perm after freeing it on init failure

In the Linux kernel, the following vulnerability has been resolved: vfio/pci: clear vdev-msiperm after freeing it on init failure vfiomsicaplen lazily allocates the per-device MSI permission table: vdev-msiperm = kmallocobjstruct permbits, GFPKERNELACCOUNT; if !vdev-msiperm return -ENOMEM; ret =...

SUSE CVE-2026-89504

In the Linux kernel, the following vulnerability has been resolved: regulator: as3722getregulatordtdata: fix premature ofnodeput leaving dangling ofnode pointer In as3722getregulatordtdata, ofgetchildbyname acquires a reference on np, which is then assigned to pdev-dev.ofnode. The function...

PT-2026-93383

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the vfio/pci component where the vdev-msi perm pointer is not cleared after being freed during an initialization failure. When the init pci cap msi perm function which...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: gve: Clearing napi-skb before devkfreeskbany In gverxfreeskb, napi-skb is incorrectly left referencing an skb after it is freed using devkfreeskbany. This can result in a subsequent call to napigetfrags returning a dangling...

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

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: The initialization of the dangling pointer that occurs in vsk-trans has been addressed. During loopback communication, a dangling pointer can be created in vsk-trans, potentially leading to a Use-After-Free conditio...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: afpacket: Avoid errors after sockinitdata in packetcreate. After sockinitdata, the allocated sk object is attached to the provided sock object. In case of an error, packetcreate frees the sk object, leaving a dangling pointer in...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/nouveau: prime: fix ttmbodelayeddelete oops Fixed an oops in ttmbodelayeddelete that occurs due to a dangling pointer being referenced: Oops: General Protection Fault, likely for a non-canonical address 0x6b6b6b6b6b6b6b7b:...

Astra Linux – Vulnerability in NBD

In nbd-server in nbd before 3.24, there is an integer overflow that leads to a heap-based buffer overflow. A value of 0xffffffff in the name length field causes a zero-sized buffer to be allocated for the name, resulting in a write to a dangling pointer. This issue occurs for the NBDOPTINFO,...

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

In the Linux kernel, the following vulnerability has been resolved: Net: Fixed a UAF Use-After-Free issue in packetrelease due to a race condition involving NETDEVUP. packetrelease has a race condition where NETDEVUP can re-register a socket into the arr array of fanout groups. This re-registrati...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: Cleaning up a dangling pointer on the bind error path The mtkdrmBind function may fail, in which case drmdevPut is called, destroying the drmdevice object. However, a pointer to that object was still being held by t...

Astra Linux – Vulnerability in Python 3.11, Python 3.7

A use-after-free UAF vulnerability could occur in the lzma.LZMADecompressor, bz2.BZ2Decompressor, and gzip.GzipFile classes when a memory allocation failure with a MemoryError occurs and the decompression instance is reused. This scenario can occur if the process is under memory pressure. The fix...

Astra Linux – Vulnerability in curl

Due to the use of a dangling pointer, libcurl versions 7.29.0 through 7.71.1 can use the wrong connection when sending data...

Astra Linux – Vulnerability in Linux

A vulnerability was discovered in the Linux kernel, where the function sunkbdreinit was executed after sunkbdinterrupt had been called, even before sunkbd was freed. Although the dangling pointer is set to NULL in sunkbddisconnect, there is still an alias in sunkbdreinit that leads to a...

Astra Linux – Vulnerability in xorg-server

A vulnerability was discovered in X.Org. This issue arises due to a dangling pointer in DeepCopyPointerClasses, which can be exploited by ProcXkbSetDeviceInfo and ProcXkbGetDeviceInfo to read from and write to freed memory. This can lead to local privilege escalation on systems where the X server...

kernel: tipc: clear sock->sk on the failed-insert path in tipc_sk_create()

A flaw was found in the Linux kernel's TIPC Transparent Inter-Process Communication protocol. A local attacker could exploit this vulnerability by repeatedly creating and failing to insert new sockets, causing the tipcskcreate function to leave a dangling pointer to a freed socket object. This...

Exploit for Use After Free in Linux Linux_Kernel

GhostLock — CVE-2026-43499 PoC Qualcomm 4.19 kernel Local p...

SUSE CVE-2026-89740

In the Linux kernel, the following vulnerability has been resolved: serial: imx: serialize imxuartports lifetime imxuartprobe publishes its devm-allocated port in imxuartports before uartaddoneport because console setup uses the table. The entry is not cleared when adding the port fails or after...

Linux Distros Unpatched Vulnerability : CVE-2026-89622

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - HID: mcp2221: clear rxbuf after I2C/SMBus transfer completes mcpi2csmbusread stores the caller- supplied buffer pointer in mcp-rxbuf for the duration of a...

Linux Distros Unpatched Vulnerability : CVE-2026-89712

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NFSD: restart sscexpireumount walk after dropping nfsdssclock nfsd4sscexpireumount walks nn-nfsdsscmountlist with listforeachentrysafeni, tmp, .... For each...

Linux Distros Unpatched Vulnerability : CVE-2026-89504

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - regulator: as3722getregulatordtdata: fix premature ofnodeput leaving dangling ofnode pointer In as3722getregulatordtdata, ofgetchildbyname acquires a reference ...