CVE-2025-40103

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix refcount leak for cifssbtlink Fix three refcount inconsistency issues related to cifssbtlink. Comments for cifssbtlink state that cifsputtlink needs to be called after successful calls to cifssbtlink. Three calls...

AZL-69404 CVE-2025-40103 affecting package kernel for versions less than 6.6.117.1-1

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix refcount leak for cifssbtlink Fix three refcount inconsistency issues related to cifssbtlink. Comments for cifssbtlink state that cifsputtlink needs to be called after successful calls to cifssbtlink. Three calls...

AZL-69436 CVE-2025-40099 affecting package kernel for versions less than 6.6.117.1-1

In the Linux kernel, the following vulnerability has been resolved: cifs: parsedfsreferrals: prevent oob on malformed input Malicious SMB server can send invalid reply to FSCTLDFSGETREFERRALS - reply smaller than sizeofstruct getdfsreferralrsp - reply with number of referrals smaller than...

UBUNTU-CVE-2025-40099

In the Linux kernel, the following vulnerability has been resolved: cifs: parsedfsreferrals: prevent oob on malformed input Malicious SMB server can send invalid reply to FSCTLDFSGETREFERRALS - reply smaller than sizeofstruct getdfsreferralrsp - reply with number of referrals smaller than...

CVE-2025-40103

Summary: CVE-2025-40103 affects the Linux kernel CIFS client, where the refcount for cifs_sb_tlink can leak due to three missing refcount updates when calling cifs_sb_tlink()/cifs_put_tlink(). This can cause resource leaks. Root cause: refcount inconsistency in cifs_sb_tlink related paths. Impact...

CVE-2025-40103

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix refcount leak for cifssbtlink Fix three refcount inconsistency issues related to cifssbtlink. Comments for cifssbtlink state that cifsputtlink needs to be called after successful calls to cifssbtlink. Three calls...

CVE-2025-40103 smb: client: Fix refcount leak for cifs_sb_tlink

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix refcount leak for cifssbtlink Fix three refcount inconsistency issues related to cifssbtlink. Comments for cifssbtlink state that cifsputtlink needs to be called after successful calls to cifssbtlink. Three calls...

CVE-2025-40099 cifs: parse_dfs_referrals: prevent oob on malformed input

In the Linux kernel, the following vulnerability has been resolved: cifs: parsedfsreferrals: prevent oob on malformed input Malicious SMB server can send invalid reply to FSCTLDFSGETREFERRALS - reply smaller than sizeofstruct getdfsreferralrsp - reply with number of referrals smaller than...

CVE-2025-40099

CVE-2025-40099 affects the Linux kernel CIFS code: cifs: parse_dfs_referrals. Malicious SMB server can send malformed FSCTL_DFS_GET_REFERRALS replies (reply smaller than the expected struct or with a smaller NumberOfReferrals), leading to out-of-bounds processing. The issue is mitigated by return...

Linux Distros Unpatched Vulnerability : CVE-2025-40103

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: Fix refcount leak for cifssbtlink Fix three refcount inconsistency issues related to cifssbtlink. Comments for cifssbtlink state that cifsputtlink...

Important: kernel-livepatch-5.10.240-238.966

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: netdevsim: fix memory leak in nsimdrvprobe when nsimdevresourcesregister failed CVE-2022-50500 In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Use rawsmpprocessorid instead of...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2023-53261: coresight: Fix memory leak in acpibuffer-pointer bsc1249770. CVE-2024-58090: sched/core: Prevent rescheduling when interrupts are disabled bsc124032...

SUSE-SU-2025:3751-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2023-53261: coresight: Fix memory leak in acpibuffer-pointer bsc1249770. - CVE-2024-58090: sched/core: Prevent rescheduling when interrupts are disabled...

ROS-20251023-01

A vulnerability in the cifscomposemountoptions function of the fs/smb/client/cifsproto.h module of the SMB client support kernel of the Linux operating system is related to synchronization errors when using a shared resource. Exploitation of the vulnerability could allow an attacker to cause a...

EUVD-2023-60015

In the Linux kernel, the following vulnerability has been resolved: arm64: sme: Use STR P to clear FFR context field in streaming SVE mode The FFR is a predicate register which can vary between 16 and 256 bits in size depending upon the configured vector length. When saving the SVE state in...

EUVD-2022-54945

In the Linux kernel, the following vulnerability has been resolved: cifs: fix handlecache and multiuser In multiuser each individual user has their own tcon structure for the share and thus their own handle for a cached directory. When we umount such a share we much make sure to release the pinne...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987524)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987524 advisory. In the Linux kernel, the following vulnerability has been resolved: cifs: prevent bad output lengths in smb2ioctlqueryinfo When calling smb2ioctlqueryinfo with...

kernel: smb: client: fix use-after-free in cifs_oplock_break

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free in cifsoplockbreak A race condition can occur in cifsoplockbreak leading to a use-after-free of the cinode structure when unmounting: cifsoplockbreak cifsFileInfoputcfile cifsFileInfoputfinal...

kernel: smb: client: fix use-after-free in cifs_oplock_break

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free in cifsoplockbreak A race condition can occur in cifsoplockbreak leading to a use-after-free of the cinode structure when unmounting: cifsoplockbreak cifsFileInfoputcfile cifsFileInfoputfinal...

RLSA-2025:16880 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: netfilter: nfconntrack: fix crash due to removal of uninitialised entry CVE-2025-38472 kernel: smb: client: fix use-after-free in cifsoplockbreak CVE-2025-38527 kernel: sctp: linearize...