K000163366: Linux kernel vulnerability CVE-2026-31613

Security Advisory Description In the Linux kernel, the following vulnerability has been resolved: smb: client: fix OOB reads parsing symlink error response When a CREATE returns STATUSSTOPPEDONSYMLINK, smb2checkmessage returns success without any length validation, leaving the symlink parsers as...

Astra Linux – Vulnerability in u-boot

A issue was discovered in Das U-Boot during the period from 2019.07. There is an unbounded memcpy operation with an unvalidated length at nfsreadlinkreply, located in the “if” block, after calculating the new path length...

Astra Linux – Vulnerability in u-boot

A issue was discovered in Das U-Boot during the period from 2019.07. There is an unbounded memcpy operation with an unvalidated length at nfsreadlinkreply in the “else” block, after calculating the new path length...

Astra Linux – Vulnerability in Firefox and Thunderbird

When resolving a symbolic link, a race condition may occur, where the buffer passed to readlink might actually be smaller than necessary. This bug only affects Firefox on Unix-based operating systems Android, Linux, MacOS. Windows is unaffected. This vulnerability affects Firefox ESR 115.6,...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098931)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098931 advisory. In the Linux kernel, the following vulnerability has been resolved: isofs: bound Rock Ridge symlink components to the SL record getsymlinkchunk and the SL handling i...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-101982)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-101982 advisory. In the Linux kernel, the following vulnerability has been resolved: isofs: bound Rock Ridge symlink components to the SL record getsymlinkchunk and the SL handling i...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100496)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100496 advisory. In the Linux kernel, the following vulnerability has been resolved: isofs: bound Rock Ridge symlink components to the SL record getsymlinkchunk and the SL handling i...

kernel: smb: client: fix OOB reads parsing symlink error response

A flaw was found in the Linux kernel's Server Message Block SMB client. A remote, untrusted server could send a specially crafted symlink error response, leading to an out-of-bounds read vulnerability. This could result in the disclosure of sensitive information from the kernel's memory to a loca...

K000162760: libssh2 vulnerability CVE-2025-15661

Security Advisory Description libssh2 through 1.11.1, fixed in commit 2dae302, contains an out-of-bounds heap read vulnerability in the sftpsymlink function in src/sftp.c that allows a malicious SSH server or man-in-the-middle attacker to disclose heap memory contents or cause a crash by sending ...

kernel: smb: client: fix OOB reads parsing symlink error response

A flaw was found in the Linux kernel's Server Message Block SMB client. A remote, untrusted server could send a specially crafted symlink error response, leading to an out-of-bounds read vulnerability. This could result in the disclosure of sensitive information from the kernel's memory to a loca...

SUSE CVE-2026-64317

In the Linux kernel, the following vulnerability has been resolved: isofs: bound Rock Ridge symlink components to the SL record getsymlinkchunk and the SL handling in parserockridgeinodeinternal walk the variable-length components of a Rock Ridge "SL" symbolic link record. Each component is a...

CVE-2026-64317

In the Linux kernel, the following vulnerability has been resolved: isofs: bound Rock Ridge symlink components to the SL record getsymlinkchunk and the SL handling in parserockridgeinodeinternal walk the variable-length components of a Rock Ridge "SL" symbolic link record. Each component is a...

AZL-93719 CVE-2026-64317 affecting package kernel for versions less than 6.6.145.2-1

In the Linux kernel, the following vulnerability has been resolved: isofs: bound Rock Ridge symlink components to the SL record getsymlinkchunk and the SL handling in parserockridgeinodeinternal walk the variable-length components of a Rock Ridge "SL" symbolic link record. Each component is a...

CVE-2026-64371

In the Linux kernel, the following vulnerability has been resolved: proc: protect ptracemayaccess with execupdatelock part 1 Fix the easy cases where procfs currently calls ptracemayaccess without execupdatelock protection, where the fix is to simply add the extra lock or use mmaccess: -...

CVE-2026-64317

In the Linux kernel, the following vulnerability has been resolved: isofs: bound Rock Ridge symlink components to the SL record getsymlinkchunk and the SL handling in parserockridgeinodeinternal walk the variable-length components of a Rock Ridge "SL" symbolic link record. Each component is a...

UBUNTU-CVE-2026-64317

In the Linux kernel, the following vulnerability has been resolved: isofs: bound Rock Ridge symlink components to the SL record getsymlinkchunk and the SL handling in parserockridgeinodeinternal walk the variable-length components of a Rock Ridge "SL" symbolic link record. Each component is a...

CVE-2026-64371

CVE-2026-64371 is a race condition in the Linux kernel procfs subsystem where several functions call ptrace_may_access() without exec_update_lock protection. The affected functions include do_task_stat(), proc_pid_wchan(), proc_map_files_lookup(), proc_map_files_readdir(), proc_ns_get_link(), and...

CVE-2026-64371 proc: protect ptrace_may_access() with exec_update_lock (part 1)

In the Linux kernel, the following vulnerability has been resolved: proc: protect ptracemayaccess with execupdatelock part 1 Fix the easy cases where procfs currently calls ptracemayaccess without execupdatelock protection, where the fix is to simply add the extra lock or use mmaccess: -...

CVE-2026-64317 isofs: bound Rock Ridge symlink components to the SL record

In the Linux kernel, the following vulnerability has been resolved: isofs: bound Rock Ridge symlink components to the SL record getsymlinkchunk and the SL handling in parserockridgeinodeinternal walk the variable-length components of a Rock Ridge "SL" symbolic link record. Each component is a...

CVE-2026-64317

CVE-2026-64317 affects the Linux kernel isofs Rock Ridge SL handling. A crafted Rock Ridge SL record can declare a component length that runs past the SL record, causing an out-of-bounds read of up to 255 bytes during parsing in get_symlink_chunk() and parse_rock_ridge_inode_internal(). This can ...