SUSE CVE-2026-53040

In the Linux kernel, the following vulnerability has been resolved: ocfs2: validate bgbits during freefrag scan BUG A crafted filesystem can trigger an out-of-bounds bitmap walk when OCFS2IOCINFO is issued with OCFS2INFOFLNONCOHERENT. BUG: KASAN: use-after-free in instrumentatomicread...

UBUNTU-CVE-2026-53253

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: bnep: reject short frames before parsing A BNEP peer can send a short BNEP SDU. bneprxframe reads the packet type byte immediately and, for control packets, reads the control opcode and setup UUID-size byte before...

UBUNTU-CVE-2026-53255

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: validate advertising TLV before type checks tlvdataisvalid reads each advertising data field length from datai, then inspects datai + 1 for managed EIR types before checking that the current field still fits insi...

CVE-2026-53255

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: validate advertising TLV before type checks tlvdataisvalid reads each advertising data field length from datai, then inspects datai + 1 for managed EIR types before checking that the current field still fits insi...

CVE-2026-53198 ksmbd: fix use-after-free of a deferred file_lock on double SMB2_CANCEL

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free of a deferred filelock on double SMB2CANCEL A deferred byte-range lock an SMB2LOCK that blocks registers an async work on conn-asyncrequests via setupasyncwork, with cancelfn = smb2removeblockedlock and...

Linux Distros Unpatched Vulnerability : CVE-2026-53040

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ocfs2: validate bgbits during freefrag scan BUG A crafted filesystem can trigger an out-of-bounds bitmap walk when OCFS2IOCINFO is issued with...

EUVD-2026-38841

In the Linux kernel, the following vulnerability has been resolved: futex: Drop CLONETHREAD requirement for private default hash alloc Currently needfutexhashallocatedefault depends on strict pthread semantics, abusing CLONETHREAD. This breaks the non-concurrency assumptions when doing the...

AZL-90540 CVE-2026-53005 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: afunix: Drop all SCM attributes for SOCKMAP. SOCKMAP can hide inflight fd from AFUNIX GC. When a socket in SOCKMAP receives skb with inflight fd, skpsockverdictdataready looks up the mapped socket and enqueue skb to its...

CVE-2026-52973

In the Linux kernel, the following vulnerability has been resolved: futex: Drop CLONETHREAD requirement for private default hash alloc Currently needfutexhashallocatedefault depends on strict pthread semantics, abusing CLONETHREAD. This breaks the non-concurrency assumptions when doing the...

CVE-2026-52973

In the Linux kernel, the following vulnerability has been resolved: futex: Drop CLONETHREAD requirement for private default hash alloc Currently needfutexhashallocatedefault depends on strict pthread semantics, abusing CLONETHREAD. This breaks the non-concurrency assumptions when doing the...

CVE-2026-52982

In the Linux kernel, the following vulnerability has been resolved: net: usb: rtl8150: fix use-after-free in rtl8150startxmit syzbot reported a KASAN slab-use-after-free read in rtl8150startxmit when accessing skb-len for tx statistics after usbsubmiturb has been called: BUG: KASAN:...

CVE-2026-53009

In the Linux kernel, the following vulnerability has been resolved: ice: fix double-free of txbuf skb If icetso or icetxcsum fail, the error path in icexmitframering frees the skb, but the 'first' txbuf still points to it and is marked as valid ICETXBUFSKB. 'nexttouse' remains unchanged, so the...

CVE-2026-53040

In the Linux kernel, the following vulnerability has been resolved: ocfs2: validate bgbits during freefrag scan BUG A crafted filesystem can trigger an out-of-bounds bitmap walk when OCFS2IOCINFO is issued with OCFS2INFOFLNONCOHERENT. BUG: KASAN: use-after-free in instrumentatomicread...

CVE-2026-53038

CVE-2026-53038 affects the Linux kernel IMA subsystem. When handling unsupported TPM hash algorithms, ima_fs can access hash_algo_name[] with an invalid crypto_id (set to HASH_ALGO__LAST), causing a read-out-of-bounds in create_securityfs_measurement_lists. The issue is associated with TPM_ALG_SH...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: mm/vmalloc: prevented RCU stalls in kasanreleasevmallocnode When CONFIGPAGEOWNER is enabled, freeing KASAN shadow pages during vmalloc cleanup triggers expensive stack unwinding that acquires RCU read locks. Processing a large...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: HID: intel-ish-hid: Fixed a NULLptrderef issue in ishtpbusremoveallclients. During a warm reset process, the cl-device pointer may become NULL if the reset occurs while clients are still being enumerated. Accessing...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: dsa: Free routing table on probe failure If complete is set to true in dsatreesetup, it means that we are the last switch in the tree that is being probed successfully. We should then set up all switches along our probe path...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: macvlan: A grace period for resource control is observed in the error path of macvlancommonnewlink. Valis reported that a race condition still occurs after our previous patch. macvlancommonnewlink might have made the device...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: dsa: sja1105: fixed the “kasan out-of-bounds” warning in sja1105tabledeleteentry. There are actually two issues: 1. Deleting the last element does not require moving elements. In fact, element i+1 is out of bounds. 2. The...

OESA-2026-2751 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: pstore/ram: fix buffer overflow in persistentramsaveold persistentramsaveold can be called multiple times for the same persistentramzone e.g., via...