Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ocfs2: The uncached inode has failed to enter the group. Syzbot has reported the following BUG: Kernel BUG at fs/ocfs2/uptodate.c:509! … Call Trace: ? diebody+0x5f/0xb0 ? die+0x9e/0xc0 ? dotrap+0x15a/0x3a0 ?...

SUSE CVE-2026-90262

In the Linux kernel, the following vulnerability has been resolved: btrfs: retry verity reads for not-uptodate Merkle folios btrfsreadmerkletreepage can find a folio in the mapping that is not uptodate. After taking the folio lock, the current code treats that state as a read error and returns...

DEBIAN-CVE-2026-90262

In the Linux kernel, the following vulnerability has been resolved: btrfs: retry verity reads for not-uptodate Merkle folios btrfsreadmerkletreepage can find a folio in the mapping that is not uptodate. After taking the folio lock, the current code treats that state as a read error and returns...

AZL-102441 CVE-2026-90262 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: btrfs: retry verity reads for not-uptodate Merkle folios btrfsreadmerkletreepage can find a folio in the mapping that is not uptodate. After taking the folio lock, the current code treats that state as a read error and returns...

EUVD-2026-81855

In the Linux kernel, the following vulnerability has been resolved: btrfs: retry verity reads for not-uptodate Merkle folios btrfsreadmerkletreepage can find a folio in the mapping that is not uptodate. After taking the folio lock, the current code treats that state as a read error and returns...

CVE-2026-90262

CVE-2026-90262 affects the Linux kernel's btrfs filesystem in its handling of dm-verity Merkle tree pages . The root cause is in btrfs_read_merkle_tree_page(), which treats a not-uptodate folio found in the page cache as a permanent read error (-EIO). This makes a prior transient I/O failure stic...

CVE-2026-90262 btrfs: retry verity reads for not-uptodate Merkle folios

In the Linux kernel, the following vulnerability has been resolved: btrfs: retry verity reads for not-uptodate Merkle folios btrfsreadmerkletreepage can find a folio in the mapping that is not uptodate. After taking the folio lock, the current code treats that state as a read error and returns...

PT-2026-94610

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the btrfs filesystem where the btrfs read merkle tree page function may identify a folio in the mapping that is not uptodate. The system incorrectly treats this state ...

CVE-2026-90262: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: btrfs: retry verity reads for not-uptodate Merkle folios btrfsreadmerkletreepage can find a folio in the mapping that is not uptodate. After taking the folio lock, the current code treats that state as a read error and returns...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ocfs2: A potential NULL pointer dereferencing has been fixed in ocfs2setbufferuptodate. During cleanup, if flags do not include OCFS2BHREADAHEAD, it may trigger a NULL pointer dereferencing in the ocfs2setbufferuptodate function,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: jbd2: fixed a potential use-after-free issue in jbd2fcwaitbufs. In jbd2fcwaitbufs, using bh after referencing the buffer’s head count may lead to a use-after-free. Therefore, ensure that the buffer is updated before referencing i...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: nilfs2: A bug in markbufferdirty was fixed, as it sometimes generates a warning due to the forced discard of reused buffers. A syzbot stress test using a corrupted disk image revealed that markbufferdirty called from nilfsmark...

CVE-2026-68145 iomap: fix out-of-bounds bitmap_set() with zero-length range

In the Linux kernel, the following vulnerability has been resolved: iomap: fix out-of-bounds bitmapset with zero-length range ifssetrangedirty and ifssetrangeuptodate compute lastblk as off + len - 1 iblkbits. When off is 0 and len is 0, the unsigned subtraction underflows to SIZEMAX, producing a...

EUVD-2026-55529

In the Linux kernel, the following vulnerability has been resolved: iomap: fix out-of-bounds bitmapset with zero-length range ifssetrangedirty and ifssetrangeuptodate compute lastblk as off + len - 1 iblkbits. When off is 0 and len is 0, the unsigned subtraction underflows to SIZEMAX, producing a...

CVE-2026-68145

CVE-2026-68145 describes a Linux kernel iomap vulnerability where zero-length ranges in ifs_set_range_dirty() and ifs_set_range_uptodate() cause an unsigned underflow in (off + len - 1) >> i_blkbits, producing a huge last_blk and nr_blks and leading to out-of-bounds bitmap_set() writes. A f...

SUSE CVE-2026-64063

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix streaming write being overwritten In order to avoid reading whilst writing, netfslib will allow "streaming writes" in which dirty data is stored directly into folios without reading them first. Such folios are marked...

CVE-2026-64059

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix folio-private handling in netfsperformwrite Under some circumstances, netfsperformwrite doesn't correctly manipulate folio-private between NULL, NETFSFOLIOCOPYTOCACHE, pointing to a group and pointing to a netfsfolio...

CVE-2026-64063 netfs: Fix streaming write being overwritten

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix streaming write being overwritten In order to avoid reading whilst writing, netfslib will allow "streaming writes" in which dirty data is stored directly into folios without reading them first. Such folios are marked...

CVE-2026-64063 netfs: Fix streaming write being overwritten

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix streaming write being overwritten In order to avoid reading whilst writing, netfslib will allow "streaming writes" in which dirty data is stored directly into folios without reading them first. Such folios are marked...

CVE-2026-64063

CVE-2026-64063 affects the Linux kernel's netfslib (network file systems library) subsystem. The bug is in netfs_perform_write(): when a partially written streaming-write folio is overwritten by a subsequent write(), the function fails to discard the attached netfs_folio struct and mishandles par...