Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath9k: hifusb: fixed a memory leak of urbs in ath9khifusbdealloctxurbs. Syzkaller reported a well-known leak of urbs in ath9khifusbdealloctxurbs. The cause of the leak is that usbgeturb is called, but usbfreeurb or usbputur...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: xsk: Check IFFUP earlier in the Tx path. The Xsk Tx operation can be triggered via either sendmsg or poll system calls. Both paths involve a call to the common function xskxmit, which contains two sanity checks. Here’s a...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: can: mcan: mcantxhandler: fixed the issue where skb was freed after it had been used. The canPUTechoskb function clones a skb and then frees it. This function should be moved directly before the start of the xmit in hardware for...

CVE-2026-31700

In the Linux kernel, the following vulnerability has been resolved: net/packet: fix TOCTOU race on mmap'd vnethdr in tpacketsnd In tpacketsnd, when PACKETVNETHDR is enabled, vnethdr points directly into the mmap'd TX ring buffer shared with userspace. The kernel validates the header via...

PT-2026-36330

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A Time-of-Check to Time-of-Use TOCTOU race condition exists in the tpacket snd function when PACKET VNET HDR is enabled. The vnet hdr points to a memory-mapped TX ring buffer shared with...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-011093)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011093 advisory. In the Linux kernel, the following vulnerability has been resolved: wifi: ath9k: hifusb: fix memory leak of urbs in ath9khifusbdealloctxurbs Syzkaller reports a...

Unbreakable Enterprise kernel security update

6.12.0-200.74.27.2 - ipv6: use RCU in ip6xmit Eric Dumazet Orabug: 39186444 CVE-2025-40135 - netfilter: nftables: fix use-after-free in nftablesaddchain Inseo An Orabug: 39181102 CVE-2026-23231 - dst: fix races in rt6uncachedlistdel and rtdeluncachedlist Eric Dumazet Orabug: 39181101 CVE-2026-230...

CVE-2026-23277

CVE-2026-23277 (TEQL NULL pointer dereference in iptunnel_xmit) is fixed in Linux kernel TEQL transmit path. When a GRE Gretap tunnel is TEQL slave, teql_master_xmit() transmits via netdev_start_xmit() without updating skb->dev to the slave. iptunnel_xmit then uses the original dev from skb-&g...

CVE-2026-23277 net/sched: teql: fix NULL pointer dereference in iptunnel_xmit on TEQL slave xmit

In the Linux kernel, the following vulnerability has been resolved: net/sched: teql: fix NULL pointer dereference in iptunnelxmit on TEQL slave xmit teqlmasterxmit calls netdevstartxmitskb, slave to transmit through slave devices, but does not update skb-dev to the slave device beforehand. When a...

CVE-2025-71222 wifi: wlcore: ensure skb headroom before skb_push

In the Linux kernel, the following vulnerability has been resolved: wifi: wlcore: ensure skb headroom before skbpush This avoids occasional skbunderpanic Oops from wl1271txwork. In this case, headroom is less than needed typically 110 - 94 = 16 bytes...

kernel: xsk: check IFF_UP earlier in Tx path

In the Linux kernel, the following vulnerability has been resolved: xsk: check IFFUP earlier in Tx path Xsk Tx can be triggered via either sendmsg or poll syscalls. These two paths share a call to common function xskxmit which has two sanity checks within. A pseudo code example to show the two...

kernel: xsk: check IFF_UP earlier in Tx path

In the Linux kernel, the following vulnerability has been resolved: xsk: check IFFUP earlier in Tx path Xsk Tx can be triggered via either sendmsg or poll syscalls. These two paths share a call to common function xskxmit which has two sanity checks within. A pseudo code example to show the two...

RHEL 9 : kernel-rt (RHSA-2026:1443)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:1443 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

SUSE CVE-2025-68770

In the Linux kernel, the following vulnerability has been resolved: bnxten: Fix XDPTX path For XDPTX action in bnxtrxxdp, clearing of the event flags is not correct. bnxtpollwork - bnxtrxpkt - bnxtrxxdp may be looping within NAPI and some event flags may be set in earlier iterations. In particula...

CVE-2025-71095

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: fix the crash issue for zero copy XDPTX action There is a crash issue when running zero copy XDPTX action, the crash log is shown below. 216.122464 Unable to handle kernel paging request at virtual address...

CVE-2025-71095

CVE-2025-71095 affects the Linux kernel’s net: stmmac driver, causing a crash during zero-copy XDP_TX due to improper handling of xdp_buff memory types. The bug occurs when an xdp_buff is converted to an xdp_frame and the code in stmmac_xdp_xmit_back() always assumes MEM_TYPE_PAGE_POOL, regardles...

CVE-2025-68770 bnxt_en: Fix XDP_TX path

In the Linux kernel, the following vulnerability has been resolved: bnxten: Fix XDPTX path For XDPTX action in bnxtrxxdp, clearing of the event flags is not correct. bnxtpollwork - bnxtrxpkt - bnxtrxxdp may be looping within NAPI and some event flags may be set in earlier iterations. In particula...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: xsk: Enhanced the validation of xdpdesc provided by the user space. It was discovered that certain clearly invalid values passed in xdpdesc from the user space can successfully pass the xp,unalignedvalidatedesc function, leading ...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: rtw89: Fixed a use-after-free in rtw89coretxkickoffandwait. There is a bug observed when rtw89coretxkickoffandwait attempts to access an skbdata that has already been freed: BUG: KFENCE: Use-after-free during writing in...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from improper handling of event flags in the XDPTX path in the bnxten driver, which could result in the TX doorbe...