Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bpf: Ensuring that pending IRQ work is processed before freeing the ring buffer. A race condition was addressed in this fix, where irqwork could be queued in bpfringbufcommit, but the ring buffer was freed before the work execute...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Media: imon: Make sendpacket more robust syzbot reports that imon has three problems that result in hung tasks due to continuously holding the device lock 1. The first problem is that when usbrxcallbackintf0 receives an -EPROT...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: 6lowpan: resetting the link-local header in the IPv6 receive path The Bluetooth 6lowpan.c netdev module has the headerops function; therefore, it must set the link-local header for the RX skb packet. Otherwise, thin...

CVE-2026-52939

CVE-2026-52939 is addressed by the Debian/Ubuntu Linux kernel fixes in the 6.1.y series. Debian LTS advisories (DLA-4671, DLA-4665) indicate linux-6.1 packages are updated to mitigate this issue, e.g., Debian 11/12 updates shipping linux-6.1 with CVE-2026-52939 included and patched versions such ...

CVE-2026-52927 netfilter: ebtables: fix OOB read in compat_mtw_from_user

In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: fix OOB read in compatmtwfromuser Luxiao Xu says: The function compatmtwfromuser converts ebtables extensions from 32-bit user structures to kernel native structures. However, it lacks proper validation of th...

EUVD-2026-38728

In the Linux kernel, the following vulnerability has been resolved: vrf: Fix a potential NPD when removing a port from a VRF RCU readers that identified a net device as a VRF port using netifisl3slave assume that a subsequent call to netdevmasterupperdevgetrcu will return a VRF device. They then...

CVE-2026-52919

In the Linux kernel, the following vulnerability has been resolved: batman-adv: fix tpmeter counter underflow during shutdown batadvtpsendershutdown unconditionally decrements the "sending" atomic counter. If multiple paths e.g. timeout, user cancel, and normal finish call this function, the...

PT-2026-51877

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the network transmission path where a Byte Queue Limit BQL imbalance occurs. In the airoha dev xmit function, inflight packets are only accounted for the AIROHA NUM TX...

PT-2026-51876

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the rtl8150 start xmit function within the net: usb: rtl8150 component. The problem occurs when accessing the skb-len variable for transmission statistic...

PT-2026-51712

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the batman-adv module where the batadv tp sender shutdown function unconditionally decrements the sending atomic counter. If this function is called multiple times...

PT-2026-51724

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the batman-adv module where the functions batadv tp recv ack and batadv tp stop incorrectly process tp vars when the role is set to BATADV TP RECEIVER. In this state,...

PT-2026-51868

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak occurs in the net: tls component when tls set device offload rx fails during tls dev add. In this error path, the function tls sw free resources rx is called to clean up th...

PT-2026-51932

Name of the Vulnerable Software and Affected Versions Linux kernel version 6.12.40 Description A global out-of-bounds read occurs in the create securityfs measurement lists function when the system uses a TPM chip with an unsupported hash algorithm. The issue arises because ima tpm chip-allocated...

PT-2026-51918

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the greybus raw component. If a user performs a write operation to the chardev after a disconnect has been initiated, the kernel may panic due to a NULL...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Fixed an issue where the extent map was used after free, especially when handling a missing device in the readonechunk function. The error code must be stored before freeing the extentmap. Although it’s a...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: enetc: Deny offloading of tc-based TSN features on VF interfaces TSN features on the ENETC taprio, cbs, gate, police are configured through a combination of command BD ring messages and port registers: enetcportrd,...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: dsa: sja1105: Avoid out-of-bound access in sja1105initl2policing The SJA1105 family has 45 L2 policing table entries SJA1105MAXL2POLICINGCOUNT, while the SJA1110 family has 110 entries SJA1110MAXL2POLICINGCOUNT. However,...

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...

Siemens RUGGEDCOM RST2428P Multiple Releases of Same Resource or Handle (CVE-2025-40261)

In the Linux kernel, the following vulnerability has been resolved: nvme: nvme-fc: Ensure -ioerrwork is cancelled in nvmefcdeletectrl nvmefcdeleteassocation waits for pending I/O to complete before returning, and an error can cause -ioerrwork to be queued after cancelworksync had been called. Mov...

Siemens RUGGEDCOM RST2428P Improper Input Validation (CVE-2026-23111)

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: fix inverted genmask check in nftmapcatchallactivate nftmapcatchallactivate has an inverted element activity check compared to its non-catchall counterpart nftmapelemactivate and compared to what is logically...