CVE-2026-98879

A flaw was found in the Linux kernel's ISO 9660 isofs file system driver. The driver fails to handle errors when setting the storage block size during mount operations. A local user could exploit this flaw by mounting a specially crafted disk image with an invalid block size, triggering a kernel...

DEBIAN-CVE-2026-98879

In the Linux kernel, the following vulnerability has been resolved: isofs: handle setblocksize failures isofs uses bufferheads, which don't handle block size PAGESIZE well. Without this, mounting we will hit the BUGONoffset = foliosizefolio; in foliosetbh on the first breadgfp call...

CVE-2026-98879

In the Linux kernel, the following vulnerability has been resolved: isofs: handle setblocksize failures isofs uses bufferheads, which don't handle block size PAGESIZE well. Without this, mounting we will hit the BUGONoffset = foliosizefolio; in foliosetbh on the first breadgfp call...

CVE-2026-98879

In the Linux kernel, the following vulnerability has been resolved: isofs: handle setblocksize failures isofs uses bufferheads, which don't handle block size PAGESIZE well. Without this, mounting we will hit the BUGONoffset = foliosizefolio; in foliosetbh on the first breadgfp call...

CVE-2026-98879 isofs: handle set_blocksize failures

In the Linux kernel, the following vulnerability has been resolved: isofs: handle setblocksize failures isofs uses bufferheads, which don't handle block size PAGESIZE well. Without this, mounting we will hit the BUGONoffset = foliosizefolio; in foliosetbh on the first breadgfp call...

CVE-2026-98879

The Linux kernel contains a vulnerability in the isofs component where buffer_heads do not properly handle block sizes greater than PAGE_SIZE . This issue can lead to a BUG_ON(offset >= folio_size(folio)) error during the first __bread_gfp call in folio_set_bh when mounting. The provided docum...

CVE-2026-98879 isofs: handle set_blocksize failures

In the Linux kernel, the following vulnerability has been resolved: isofs: handle setblocksize failures isofs uses bufferheads, which don't handle block size PAGESIZE well. Without this, mounting we will hit the BUGONoffset = foliosizefolio; in foliosetbh on the first breadgfp call...

EUVD-2026-108673

In the Linux kernel, the following vulnerability has been resolved: isofs: handle setblocksize failures isofs uses bufferheads, which don't handle block size PAGESIZE well. Without this, mounting we will hit the BUGONoffset = foliosizefolio; in foliosetbh on the first breadgfp call...

PT-2026-121849

In the Linux kernel, the following vulnerability has been resolved: isofs: handle set blocksize failures isofs uses buffer heads, which don't handle block size PAGE SIZE well. Without this, mounting we will hit the BUG ONoffset = folio sizefolio; in folio set bh on the first bread gfp call...

CLSA-2025-1764151168 kernel: Fix of 40 CVEs

perf/aux: Fix AUX buffer serialization CVE-2024-46713 - block: fix uaf for flush rq while iterating tags CVE-2024-53170 - zram: fix potential UAF of zram table CVE-2025-21671 - sched: schcake: add bounds checks to host bulk flow fairness counts CVE-2025-21647 - bpf: Fix UAF via mismatching...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46124)

In the Linux kernel, the following vulnerability has been resolved: isofs: validate block number from NFS file handle in isofsexportiget isofsfhtodentry and isofsfhtoparent pass an attacker- controlled block number ifid-block or ifid-parentblock from the NFS file handle to isofsexportiget, which...

CVE-2026-89778

A flaw was found in the Linux kernel's isofs ISO 9660 file system component, specifically within the zisofs decompression logic. A local attacker could exploit this vulnerability by mounting a specially crafted ISO9660 image. When a compressed file on such an image contains a malformed 'ZF' Rock...

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

In the Linux kernel, the following vulnerability has been resolved: isofs: The isofsexportiget function validates the block number from the NFS file handle. The isofsfhtodentry and isofsfhtoparent functions pass a attacker-controlled block number either ifid-block or ifid-parentblock from the NFS...

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

In the Linux kernel, the following vulnerabilities have been resolved: isofs: The validate Rock Ridge CE continuation extent against volume size function is now properly implemented. The rockcontinue function reads rs-contextent directly from the Rock Ridge CE record and passes it to sbbread,...

CVE-2026-90434

A flaw was found in the Linux kernel's isofs filesystem driver. When processing compressed block pointer tables via the zisofsfillpages function, a memory resource is not properly released upon successful operation. A local attacker could potentially exploit this resource mismanagement, possibly ...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: isofs: The Rock Ridge symbolic link components are bound to the SL record. getsymlinkchunk and the SL handling in parserockridge inodeinternal process variable-length components of a Rock Ridge “SL” symbolic link record. Each...

Rocky Linux 10.2 [CIQ] Security Update: kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (crlsa-2026_49211)

The Rocky Linux 10.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202649211 advisory. kernel: ksm: use range-walk function to jump over holes in scangetnextrmapitem CVE-2025-68211 kernel: isofs: validate Rock Ridge CE continuation extent...

AlmaLinux 9.2 [TuxCare] Security Update: bpftool / kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1786350974)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1786350974 advisory. - In the Linux kernel, the following vulnerability has been resolved: isofs: Fix out of bound access for corrupted isofs image When...

Linux Distros Unpatched Vulnerability : CVE-2026-89778

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - isofs: fix out-of-bounds page array access on empty zisofs block zisofsuncompressblock's empty-block fast path returns pcount 17, so a crafted ZF Rock Ridge...

SUSE CVE-2026-90434

In the Linux kernel, the following vulnerability has been resolved: isofs: release zisofs block pointer buffer head zisofsfillpages reads the compressed block pointer table. The error paths release the current bufferhead, the loop also releases the old bufferhead when it advances. However, the...