Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989394)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989394 advisory. In the Linux kernel, the following vulnerability has been resolved: cifs: prevent NULL deref in cifscomposemountoptions The optional @ref parameter might contain an...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-988780)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-988780 advisory. In the Linux kernel, the following vulnerability has been resolved: cifs: fix double free race when mount fails in cifsgetroot When cifsgetroot fails during...

kernel security update

4.18.0-553.82.1 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug: 24817676 - Conflict with shim-ia32 and...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: smb: client: fixed a potential deadlock that could occur when reconnecting channels. Fixed the function cifssignalcifsdforreconnect to follow the correct lock order and prevent the following deadlock from occurring:...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: CIFS: Fixed the smbdresponse slab to allow usercopy. The handling of received data in the smbdirect client code involves using copytoiter to copy data from the packet trailer of the smbdreponse structure to a buffer provided by...

SUSE 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...

SUSE 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...

EUVD-2025-36979

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...

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...

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...

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...

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

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-2025-40103

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-2025-40099 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/SMB client, specifically parse_dfs_referrals in fs/smb/client/misc.c. A malicious SMB server can send malformed FSCTL_DFS_GET_REFERRALS replies (smaller than the reply struct or with NumberOfReferrals larger than the header indicates), leading to out-o...

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...