PT-2025-38020

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A flaw exists in the Linux kernel’s CIFS implementation within the cifs create function. If CIFS shuts down, the transaction ID xid is not freed before returning, leading to an xid lea...

Ubuntu 14.04 LTS / 16.04 LTS : cifs-utils vulnerabilities (USN-7688-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7688-1 advisory. Aurlien Aptel discovered that cifs-utils invoked a shell when requesting a password. In certain environments, a local attacker could possibly...

CLSA-2025-1754552669 kernel: Fix of 12 CVEs

net: ch9200: fix uninitialised access during miinwayrestart CVE-2025-38086 - idpf: fix null-ptr-deref in idpffeaturescheck CVE-2025-38053 - ftrace: Fix NULL pointer dereference in isftracetrampoline when ftrace is dead CVE-2022-49977 - sched/fair: Fix potential memory corruption in...

The vulnerability of the `cifs_close_deferred_file()` function in the fs/cifs/misc.c module of the Linux kernel’s file system support module allows a attacker to cause a service failure.

The vulnerability of the cifsclosedeferredfile function in the fs/cifs/misc.c module of the Linux kernel’s file system support module is related to synchronization errors when using shared resources. Exploiting this vulnerability can allow an attacker to cause a service failure...

USN-7585-1 linux, linux-aws, linux-aws-5.4, linux-azure, linux-gcp, linux-gcp-5.4, linux-ibm, linux-ibm-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-xilinx-zynqmp vulnerabilities

It was discovered that the CIFS network file system implementation in the Linux kernel did not properly verify the target namespace when handling upcalls. An attacker could use this to expose sensitive information. CVE-2025-2312 Several security issues were discovered in the Linux kernel. An...

SUSE CVE-2022-50076

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix memory leak on the deferred close xfstests on smb21 report kmemleak as below: unreferenced object 0xffff8881767d6200 size 64: comm "xfsio", pid 1284, jiffies 4294777434 age 20.789s hex dump first 32 bytes: 80 5a d0 11 8...

CLSA-2025-1747688831 kernel: Fix of 20 CVEs

drm/dpmst: Ensure mstprimary pointer is valid in drmdpmsthandleupreq CVE-2024-57798 - block: Fix handling of offline queues in blkmqallocrequesthctx CVE-2022-49720 - drm: nv04: Fix out of bounds access CVE-2024-27008 - parport: Proper fix for array out-of-bounds access CVE-2024-50074 - Bluetooth:...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from an unchecked server pointer in cifs could lead to a null pointer dereference...

cifs: Fix integer overflow while processing acdirmax mount option

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SUSE CVE-2023-53052

In the Linux kernel, the following vulnerability has been resolved: cifs: fix use-after-free bug in refreshcacheworker The UAF bug occurred because we were putting DFS root sessions in cifsumount while DFS cache refresher was being executed. Make DFS root sessions have same lifetime as DFS tcons ...

SUSE CVE-2025-23143

In the Linux kernel, the following vulnerability has been resolved: net: Fix null-ptr-deref by socklockinitclassandname and rmmod. When I ran the repro 0 and waited a few seconds, I observed two LOCKDEP splats: a warning immediately followed by a null-ptr-deref. 1 Reproduction Steps: 1 Mount CIFS...

CVE-2025-21963 cifs: Fix integer overflow while processing acdirmax mount option

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix integer overflow while processing acdirmax mount option User-provided mount parameter acdirmax of type u32 is intended to have an upper limit, but before it is validated, the value is converted from seconds to jiffies...

kernel: cifs: fix oops during encryption

An out-of-bounds memory access vulnerability exists in the linux kernel, such that A stack-allocated buffer backed by vmalloc was passed into crypto code scatterwalkmapandcopy → memcpy where a cross-page write occurred. This ended up hitting a read-only mapping, causing a page-level fault and...

CLSA-2024-1731933167 kernel: Fix of 36 CVEs

smb: client: fix use-after-free in smb2queryinfocompound CVE-2023-52751 - smb: client: prevent new fids from being removed by laundromat CVE-2023-52751 - cifs: fix dentry lookups in directory handle cache CVE-2023-52751 - uprobe: avoid out-of-bounds memory access of fetching args CVE-2024-50067 -...

kernel: smb: client: fix use-after-free in smb2_query_info_compound()

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free in smb2queryinfocompound The following UAF was triggered when running fstests generic/072 with KASAN enabled against Windows Server 2022 and mount options...

Security update for the Linux Kernel (Live Patch 27 for SLE 15 SP4)

This update for the Linux Kernel 5.14.21-15040024122 fixes several issues. The following security issues were fixed: CVE-2021-47598: schcake: do not call cakedestroy from cakeinit bsc1227471. CVE-2023-52752: smb: client: fix use-after-free bug in cifsdebugdataprocshow bsc1225819. CVE-2024-35862:...

Security update for the Linux Kernel (Live Patch 7 for SLE 15 SP5)

This update for the Linux Kernel 5.14.21-1505005536 fixes several issues. The following security issues were fixed: CVE-2024-35861: Fixed potential UAF in cifssignalcifsdforreconnect bsc1225312. CVE-2024-36899: gpiolib: cdev: Fix use after free in lineinfochangednotify bsc1225739. CVE-2024-40954:...

kernel: cifs: fix underflow in parse_server_interfaces()

In the Linux kernel, the following vulnerability has been resolved: cifs: fix underflow in parseserverinterfaces In this loop, we step through the buffer and after each item we check if the sizeleft is greater than the minimum size we need. However, the problem is that "bytesleft" is type ssizet...

DEBIAN-CVE-2023-52741

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix use-after-free in rdata-readintopages When the network status is unstable, use-after-free may occur when read data from the server. BUG: KASAN: use-after-free in readpagesfillpages+0x14c/0x7e0 Call Trace:...

DEBIAN-CVE-2024-35867

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in cifsstatsprocshow Skip sessions that are being teared down status == SESEXITING to avoid UAF...