fs/smb: Fix inconsistent refcnt update

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SUSE-SU-2025:03283-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2022-49980: USB: gadget: fix use-after-free read in usbudcuevent bsc1245110. - CVE-2022-50116: tty: ngsm: fix deadlock and link starvation in outgoing data pa...

SUSE CVE-2023-53230

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix warning in cifssmb3domount This fixes the following warning reported by kernel test robot fs/smb/client/cifsfs.c:982 cifssmb3domount warn: possible memory leak of 'cifssb'...

SUSE-SU-2025:03272-1 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-2024-46733: btrfs: fix qgroup reserve leaks in cowfilerange bsc1230708. - CVE-2024-49996: cifs: Fix buffer overflow when parsing NFS reparse points bsc1232089...

CVE-2023-53399

The connected documents confirm a Linux kernel vulnerability in ksmbd where a NULL pointer dereference could occur in smb2_get_info_filesystem() if share->path is NULL. A fix has been applied across affected kernels (Linux kernel 5.x line references appear in Astra Linux advisories and Debian/...

PT-2025-40626

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak exists in the SMB client within the Linux kernel, specifically within the smbd negotiate function's error handling path. The leak occurs due to objects remaining on kmem...

smb_exploitation_tool

python3.13 smbe...

CVE-2023-53358

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix racy issue under cocurrent smb2 tree disconnect There is UAF issue under cocurrent smb2 tree disconnect. This patch introduce TREECONNEXPIRE flags for tcon to avoid cocurrent access...

CVE-2023-53358 ksmbd: fix racy issue under cocurrent smb2 tree disconnect

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix racy issue under cocurrent smb2 tree disconnect There is UAF issue under cocurrent smb2 tree disconnect. This patch introduce TREECONNEXPIRE flags for tcon to avoid cocurrent access...

PT-2025-40628

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw within the SMB client implementation. Specifically, the smbd destroy function may attempt to access memory after it has been freed, potentially leading t...

PT-2025-40629

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel's SMB client implementation. Specifically, the recv done function did not adequately verify data offset, data length, and remaining data length. This...

Linux Distros Unpatched Vulnerability : CVE-2025-39825

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 race with concurrent opens in rename2 Besides sending the rename request to the server, the rename process also involves closing any deferred...

CLSA-2025-1758019011 Fix of 17 CVEs

CVE-2024-50047 fix. // CVE-url: https://ubuntu.com/security/CVE-2025-38488 - smb: client: fix use-after-free in cryptmessage when using async crypto CVE-url: https://ubuntu.com/security/CVE-2024-57996 // CVE-url: https://ubuntu.com/security/CVE-2025-37752 - netsched: schsfq: move the limit...

CVE-2025-39825

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix race with concurrent opens in rename2 Besides sending the rename request to the server, the rename process also involves closing any deferred close, waiting for outstanding I/O to complete as well as marking all...

DEBIAN-CVE-2025-39819

In the Linux kernel, the following vulnerability has been resolved: fs/smb: Fix inconsistent refcnt update A possible inconsistent update of refcount was identified in smb2compoundop. Such inconsistent update could lead to possible resource leaks. Why it is a possible bug: 1. In the comment secti...

UBUNTU-CVE-2025-39819

In the Linux kernel, the following vulnerability has been resolved: fs/smb: Fix inconsistent refcnt update A possible inconsistent update of refcount was identified in smb2compoundop. Such inconsistent update could lead to possible resource leaks. Why it is a possible bug: 1. In the comment secti...

CVE-2025-39825 smb: client: fix race with concurrent opens in rename(2)

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix race with concurrent opens in rename2 Besides sending the rename request to the server, the rename process also involves closing any deferred close, waiting for outstanding I/O to complete as well as marking all...

Linux Distros Unpatched Vulnerability : CVE-2023-53230

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 warning in cifssmb3domount This fixes the following warning reported by kernel test robot fs/smb/client/cifsfs.c:982 cifssmb3domount warn:...

Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2025-104 (ALASKERNEL-5.10-2025-104)

The version of kernel installed on the remote host is prior to 5.10.242-239.961. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.10-2025-104 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: fix deadlock when cloning...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: btrfs: fix deadlock when cloning inline extents and using qgroups CVE-2021-46987 In the Linux kernel, the following vulnerability has been resolved: uiohvgeneric: Fix another memory leak in error handling paths...