CVE-2026-64090 batman-adv: tt: avoid empty VLAN responses

In the Linux kernel, the following vulnerability has been resolved: batman-adv: tt: avoid empty VLAN responses The commit 16116dac2339 "batman-adv: prevent TT request storms by not sending inconsistent TT TLVLs" added checks to the local direct TT response code. But the response can also be done...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ACPI: PPTT: Fixed an issue that caused sleep in the atomic context when PPTT is absent. The commit 0c80f9e165f8 “ACPI: PPTT: Leave the table mapped for the runtime usage” fixes this issue by enabling mapping PPTT once during the...

CVE-2026-31659

A flaw was found in the batman-adv component of the Linux kernel. A remote attacker can exploit this vulnerability by sending a specially crafted oversized global Topology Table TT response. This causes an integer overflow during memory allocation, leading to a heap overflow and memory corruption...

DEBIAN-CVE-2026-31659

In the Linux kernel, the following vulnerability has been resolved: batman-adv: reject oversized global TT response buffers batadvttpreparetvlvglobaldata builds the allocation length for a global TT response in 16-bit temporaries. When a remote originator advertises a large enough global TT, the ...

CVE-2026-31659

In the Linux kernel, the following vulnerability has been resolved: batman-adv: reject oversized global TT response buffers batadvttpreparetvlvglobaldata builds the allocation length for a global TT response in 16-bit temporaries. When a remote originator advertises a large enough global TT, the ...

UBUNTU-CVE-2022-49964

In the Linux kernel, the following vulnerability has been resolved: arm64: cacheinfo: Fix incorrect assignment of signed error value to unsigned fwlevel Though acpifindlastcachelevel always returned signed value and the document states it will return any errors caused by lack of a PPTT table, it...

CVE-2023-53070

In the Linux kernel, the following vulnerability has been resolved: ACPI: PPTT: Fix to avoid sleep in the atomic context when PPTT is absent Commit 0c80f9e165f8 "ACPI: PPTT: Leave the table mapped for the runtime usage" enabled to map PPTT once on the first invocation of acpigetpptt and never...

UBUNTU-CVE-2023-53070

In the Linux kernel, the following vulnerability has been resolved: ACPI: PPTT: Fix to avoid sleep in the atomic context when PPTT is absent Commit 0c80f9e165f8 "ACPI: PPTT: Leave the table mapped for the runtime usage" enabled to map PPTT once on the first invocation of acpigetpptt and never...

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 a possible sleep caused by processing the PPTT table in an atomic context...

batman-adv: Avoid infinite loop trying to resize local TT

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kernel: ACPI: PPTT: Fix to avoid sleep in the atomic context when PPTT is absent

In the Linux kernel, the following vulnerability has been resolved: ACPI: PPTT: Fix to avoid sleep in the atomic context when PPTT is absent Commit 0c80f9e165f8 "ACPI: PPTT: Leave the table mapped for the runtime usage" enabled to map PPTT once on the first invocation of acpigetpptt and never...

kernel: ACPI: PPTT: Fix to avoid sleep in the atomic context when PPTT is absent

In the Linux kernel, the following vulnerability has been resolved: ACPI: PPTT: Fix to avoid sleep in the atomic context when PPTT is absent Commit 0c80f9e165f8 "ACPI: PPTT: Leave the table mapped for the runtime usage" enabled to map PPTT once on the first invocation of acpigetpptt and never...