kernel: udf: fix partition descriptor append bookkeeping

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...

kernel: udf: fix partition descriptor append bookkeeping

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...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-101990)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-101990 advisory. In the Linux kernel, the following vulnerability has been resolved: udf: validate VAT header length against the VAT inode size udfloadvat takes the virtual...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-102008)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-102008 advisory. In the Linux kernel, the following vulnerability has been resolved: udf: validate sparing table length as an entry count, not a byte count udfloadsparablemap accept...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100522)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100522 advisory. In the Linux kernel, the following vulnerability has been resolved: udf: validate sparing table length as an entry count, not a byte count udfloadsparablemap accept...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100525)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100525 advisory. In the Linux kernel, the following vulnerability has been resolved: udf: validate free block extents against the partition length udffreeblocks checks the logical...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-099695)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099695 advisory. In the Linux kernel, the following vulnerability has been resolved: udf: validate sparing table length as an entry count, not a byte count udfloadsparablemap accept...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100528)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100528 advisory. In the Linux kernel, the following vulnerability has been resolved: udf: validate VAT header length against the VAT inode size udfloadvat takes the virtual...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100575)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100575 advisory. In the Linux kernel, the following vulnerability has been resolved: udf: reject descriptors with oversized CRC length udfreadtagged skips CRC verification when...

RLSA-2026:54247 Moderate: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: udf: fix partition descriptor append bookkeeping CVE-2026-45991 kernel: ice: fix double-free of txbuf skb CVE-2026-53009 For more...

kernel security update

An update is available for kernel. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux operating...

AlmaLinux 8 : kernel-rt (ALSA-2026:54247)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:54247 advisory. kernel: udf: fix partition descriptor append bookkeeping CVE-2026-45991 kernel: ice: fix double-free of txbuf skb CVE-2026-53009 Tenable has extracted th...

kernel: udf: fix partition descriptor append bookkeeping

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...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

Moderate: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

kernel: udf: fix partition descriptor append bookkeeping

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...

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...

AZL-93746 CVE-2026-64324 affecting package kernel for versions less than 6.6.145.2-1

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...

AZL-93413 CVE-2026-64323 affecting package kernel for versions less than 6.6.145.2-1

In the Linux kernel, the following vulnerability has been resolved: udf: validate VAT header length against the VAT inode size udfloadvat takes the virtual partition's start offset straight from the on-disk VAT 2.0 header without checking it against the VAT inode size:...

AZL-93593 CVE-2026-64322 affecting package kernel for versions less than 6.6.145.2-1

In the Linux kernel, the following vulnerability has been resolved: udf: validate sparing table length as an entry count, not a byte count udfloadsparablemap accepts a sparing table when sizeofst + le16tocpust-reallocationTableLen sb-sblocksize is false, i.e. it treats reallocationTableLen as a...