Linux Distros Unpatched Vulnerability : CVE-2026-45839

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: reject negative CO-RE accessor indices in bpfcoreparsespec CO-RE accessor strings are colon- separated indices that describe a path from a root BTF type to...

Linux kernel 安全漏洞

The Linux kernel is the core used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel. This vulnerability stems from the use of sscanf to parse the CO-RE accessor index in bpfcoreparsespec. When negative value...

PT-2026-43673

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Linux kernel where the bpf core parse spec function fails to reject negative CO-RE Compile Once - Run Everywhere accessor indices. CO-RE accessor strings use...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: The page extent mapping was set after the readfolio operation in relocateonepage. One of the CI runs triggered the following panic: Assertion failed: PagePrivatepage && page-private, in fs/btrfs/subpage.c:229 ----------...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: The reloc control parameter is not set if the transaction commit fails in preparetorelocate. In btrfsrelocateblockgroup, the rc parameter is allocated. Then, btrfsrelocateblockgroup calls relocateblockgroup, which calls...

Astra Linux – Vulnerability in binutils

A vulnerability was identified in GNU Binutils 2.45. The affected component is the elfx8664relocatesection function in the file elf64-x86-64.c of the Linker component. This vulnerability causes a heap-based buffer overflow. The attack can only be executed locally. The exploit has been publicly...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Zoned: Skipping splitting and logical rewriting during pre-alloc write operations. During relocation, there is a possibility that at the time of btrfsrelocclonecsums, there is no checksum for the corresponding region. I...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: Rejects invalid reloc tree root keys with stack dump. BUG Syzbot reported a crash that an ASSERT was triggered inside preparetomerge. This ASSERT ensures that the reloc tree is properly pointed back by its subvolume tree...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cfg80211: Fixing management registration locking issues The issue with management registration locking was addressed. The list was locked for each wdev, but the cfg80211mgmtregistrationsupdate function iterated over it without...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: IB/hfi1: Fixed the leak of rcvhdrtaildummykvaddr. This buffer is currently allocated in hfi1init. c if reinit ret = initafterresetdd; else ret = loadtimeinitdd; if ret goto done; / Allocate dummy tail memory for all receive...

Astra Linux – Vulnerability in Linux, Linux 5.10

A vulnerability related to deallocation was discovered in the preparetorelocate function in fs/btrfs/relocation.c within btrfs in the Linux Kernel. This potential flaw can be triggered by calling btrfsioctlbalance before calling btrfsioctldefrag...

OSV-2026-759 UNKNOWN READ in bfd_getb32

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=513690224 Crash type: UNKNOWN READ Crash state: bfdgetb32 nds32elflo12reloc bfdperformrelocation...

EUVD-2026-28623

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent possible UaF in addrconfpermanentaddr The mentioned helper try to warn the user about an exceptional condition, but the message is delivered too late, accessing the ipv6 after its possible deletion. Reorder the...

UBUNTU-CVE-2026-43339

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent possible UaF in addrconfpermanentaddr The mentioned helper try to warn the user about an exceptional condition, but the message is delivered too late, accessing the ipv6 after its possible deletion. Reorder the...

SUSE CVE-2026-43046

In the Linux kernel, the following vulnerability has been resolved: btrfs: reject root items with dropprogress and zero droplevel BUG When recovering relocation at mount time, mergerelocroot and btrfsdropsnapshot both use BUGONlevel == 0 to guard against an impossible state: a non-zero dropprogre...

Linux Distros Unpatched Vulnerability : CVE-2026-43046

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: reject root items with dropprogress and zero droplevel BUG When recovering relocation at mount time, mergerelocroot and btrfsdropsnapshot both use...

CVE-2026-43046

A flaw was found in the Linux kernel's btrfs filesystem. This vulnerability allows an attacker with local access to trigger a kernel bug system crash by providing specially crafted, malformed btrfs metadata on disk. Specifically, an invalid state where dropprogress.objectid is non-zero and...

CVE-2026-43046

In the Linux kernel, the following vulnerability has been resolved: btrfs: reject root items with dropprogress and zero droplevel BUG When recovering relocation at mount time, mergerelocroot and btrfsdropsnapshot both use BUGONlevel == 0 to guard against an impossible state: a non-zero dropprogre...

EUVD-2026-26645

In the Linux kernel, the following vulnerability has been resolved: btrfs: reject root items with dropprogress and zero droplevel BUG When recovering relocation at mount time, mergerelocroot and btrfsdropsnapshot both use BUGONlevel == 0 to guard against an impossible state: a non-zero dropprogre...

CVE-2026-43046

CVE-2026-43046 affects the Linux kernel, specifically btrfs relocation logic where a non-zero drop_progress with drop_level == 0 can be observed in a read-back root_item. The root_item invariant is now validated in the tree-checker when reading from disk: if drop_progress.objectid is non-zero, dr...