Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: smb3: A missing lock occurs when picking the channel. Coverity has identified a point where we should have held the channel lock when accessing the ses channel index. Address-Coverity: 1582039 “Data race condition MISSINGLOCK”...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Tracing: Fixed an issue where corrupted data was written to the “hist” field, potentially affecting the “namedTriggers” list. The following commands cause a crash: cd /sys/kernel/tracing/events/rcu/rcucallback echo...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: net: usb: fix possible use-after-free in smsc75xxbind The commit 46a8b29c6306 “net: usb: fix memory leak in smsc75xxBind” fails to clean up the work scheduled in smsc75xxReset-smsc75xxSetMulticast. This leads to a use-after-free ...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: jffs2: Prevent the xattr node from overflowing the eraseblock. A check has been added to ensure that the requested xattr node size is not larger than the eraseblock minus the cleanmarker. Unlike traditional inode nodes, xattr...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: flush pending destroy work before exitnet release This issue is similar to 2c9f0293280e “netfilter: nftables: flush pending destroy work before netlink notifier”, and addresses a race between the exitnet...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: macb: fixed a memory corruption in extended buffer descriptor mode For quite some time, we were dealing with a bug that seemed to cause sudden and permanent failures in networking and MMCA on some of our devices. This bug...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In isotp.bind, there is a need to check the CAN address family. A missing check was added to prevent binds that use a non-AFCAN address family. Syzbot created some code that correctly determined the appropriate size of the sockad...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: The memory leak in dmswfini has been fixed. After destroying dmubsrv, the memory associated with it is not freed, resulting in a memory leak: unreferenced object 0xffff896302b45800 size 1024: comm "udev-worker",...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ksmbd: The validation of the request buffer size was added in smb2allocaterspbuf. The response buffer should be allocated in smb2allocaterspbuf before validation of the request. However, fields within the payload as well as the...

Astra Linux – Vulnerability in Linux 5.15

A flaw was discovered in the ksmbd component of the Linux kernel, a high-performance in-kernel SMB server. The specific flaw exists in the processing of SMB2LOGOFF and SMB2CLOSE commands. The issue arises from the lack of proper locking when performing operations on an object. An attacker can...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs: sysfs: Fixed a reference leak in sysfsbreakactiveprotection The sysfsbreakactiveprotection routine has a clear reference leak in its error handling path. If the call to kernfsfindandget fails, kn will be NULL. As a result, th...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mmc: via-sdmmc: fixed the return value check in mmcaddhost The mmcaddhost function may return an error. If we ignore its return value, it will cause two issues: 1. The memory allocated in mmcallochost may be leaked. 2. In the...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: nvme-pci: fixed the mempool allocation size. The maximum size was converted to bytes to match the units of the divisor that calculates the worst-case number of PRP entries. This result is used to determine how many PRP lists a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: powerpc/64s: Fixed the program check interrupt emergency stack path issue. The emergency stack path was jumping into a 3: label within the GENCOMMONBODY macro for the normal path after it had finished, rather than jumping over...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ASoC: cs35l41: Fixed an out-of-bounds access in otppackedelementt The value CS35L41NUMOTPELEM is 100, but only 99 entries are defined in the array otpmap1/2CS35L41NUMOTPELEM. This will trigger UBSAN to report a out-of-bounds...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ftrace: Fixed a use-after-free issue related to dynamic ftraceops. KASAN reported a use-after-free involving ftrace ops 1. It was discovered that perf had registered two ops with the same content, both being dynamic. After the...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: fixed a double-free in arfscreategroups. When the memory allocated by kvzalloc fails, arfscreategroups will free ft-g and return an error. However, arfscreatetable, the only function calling arfscreategroups, will hold...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/edid: In the function connectorbadedid, numblocks was read as numofext. In the commit e11f5bd8228f “drm: Add support for DP 1.4 Compliance edid corruption test”, the function connectorbadedid assumed that the memory allocated...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: nfp: flower: Fixed a potential leak in nfptunneladdsharedmac. idasimpleget returns an ID that is between min 0 and max NFPMAXMACINDEX, including both values. Therefore, NFPMAXMACINDEX 0xff is a valid ID. For the error handling...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ath11k: pci: fix crash on suspend if board file is not found Mario reported that the kernel crashed during suspension if ath11k failed to locate the board file: 473.693286 PM: Suspending system s2idle 473.693291 printk:...