CVE-2026-64324

A flaw was found in the Linux kernel's Universal Disk Format UDF filesystem. The udffreeblocks function fails to properly validate free block extents against the partition length. This allows a local, unprivileged user to create a specially crafted UDF filesystem that, when a file on it is...

UBUNTU-CVE-2026-64324

In the Linux kernel, the following vulnerability has been resolved: udf: validate free block extents against the partition length udffreeblocks checks the logical block number and count against the partition length, but drops the extent offset from that final bound. A crafted extent can pass the...

CVE-2026-64324 udf: validate free block extents against the partition length

In the Linux kernel, the following vulnerability has been resolved: udf: validate free block extents against the partition length udffreeblocks checks the logical block number and count against the partition length, but drops the extent offset from that final bound. A crafted extent can pass the...

EUVD-2026-48868

In the Linux kernel, the following vulnerability has been resolved: udf: validate free block extents against the partition length udffreeblocks checks the logical block number and count against the partition length, but drops the extent offset from that final bound. A crafted extent can pass the...

PT-2026-64545

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the UDF filesystem implementation where the udf free blocks function fails to include the extent offset when validating the logical block number and count against the...

Astra Linux – Vulnerability in Linux 5.15

A flaw in memory writing within the Linux kernel’s UDF file system functionality was discovered. This flaw allows a user to trigger certain file operations, which in turn triggers udfwritefi. A local user could exploit this flaw to crash the system or potentially cause other malicious actions...

SUSE CVE-2026-45991

In the Linux kernel, the following vulnerability has been resolved: udf: fix partition descriptor append bookkeeping Mounting a crafted UDF image with repeated partition descriptors can trigger a heap out-of-bounds write in partdescsloc. handlepartitiondescriptor deduplicates entries by partition...

CVE-2026-45991

A flaw was found in the Linux kernel's Universal Disk Format UDF filesystem. A remote attacker could exploit this vulnerability by tricking a user into mounting a specially crafted UDF image containing repeated partition descriptors. This could lead to a heap out-of-bounds write, potentially...

EUVD-2026-32287

In the Linux kernel, the following vulnerability has been resolved: udf: fix partition descriptor append bookkeeping Mounting a crafted UDF image with repeated partition descriptors can trigger a heap out-of-bounds write in partdescsloc. handlepartitiondescriptor deduplicates entries by partition...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-006929)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006929 advisory. In the Linux kernel, the following vulnerability has been resolved: udf: Do not bother merging very long extents When merging very long extents we try to push as muc...

USN-8143-2 linux-fips vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Cryptographic API; - GPU drivers; - BTRFS file system; - GFS2 file system; - UDF file system; - NFC subsystem; -...

USN-8143-1: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Cryptographic API; - GPU drivers; - BTRFS file system; - GFS2 file system; - UDF file system; - NFC subsystem; -...

kernel: Fix of 10 CVEs

ACPICA: Add AMLNOOPERANDRESOLVE flag to Timer CVE-2023-53395 - net: ppp: Add bound checking for skb data on pppsynctxmung CVE-2025-37749 - ata: ahci: Match EMMAXSLOTS with SATAPMPMAXPORTS CVE-2022-50315 - ext2: Check block size validity during mount CVE-2023-53569 - gfs2: Fix possible data races...

CLSA-2026-1773044010 kernel: Fix of 10 CVEs

ACPICA: Add AMLNOOPERANDRESOLVE flag to Timer CVE-2023-53395 - net: ppp: Add bound checking for skb data on pppsynctxmung CVE-2025-37749 - ata: ahci: Match EMMAXSLOTS with SATAPMPMAXPORTS CVE-2022-50315 - ext2: Check block size validity during mount CVE-2023-53569 - gfs2: Fix possible data races...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000916)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000916 advisory. Heap-based buffer overflow in the udfloadlogicalvol function in fs/udf/super.c in the Linux kernel before 3.4.5 allows remote attackers to cause a denial of service...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002416)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002416 advisory. The udfreadinode function in fs/udf/inode.c in the Linux kernel before 3.19.1 does not validate certain length values, which allows local users to cause a denial of...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002003)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002003 advisory. The UDF filesystem implementation in the Linux kernel before 3.18.2 does not validate certain lengths, which allows local users to cause a denial of service buffer...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001985)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001985 advisory. The udfreadinode function in fs/udf/inode.c in the Linux kernel before 3.19.1 does not validate certain length values, which allows local users to cause a denial of...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002098)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002098 advisory. Heap-based buffer overflow in the udfloadlogicalvol function in fs/udf/super.c in the Linux kernel before 3.4.5 allows remote attackers to cause a denial of service...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001833)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001833 advisory. The udfreadinode function in fs/udf/inode.c in the Linux kernel through 3.16.3 does not restrict the amount of ICB indirection, which allows physically proximate...