Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: Fixed string copying in parseapplysbmountoptions. The strnlen function cannot be used to copy a non-NUL-terminated string into a NUL-terminated string of possibly larger size. Commit 0efc5990bca5 “string.h: Introduce memtos...

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

In the Linux kernel, the following vulnerabilities have been resolved: leds: class: Protect access to brightnessshow using ledcdev-ledaccess mutex There is a NULL pointer issue observed when Process A adds a hid device, resulting in the addition of a ledcdev object. Subsequently, another call to...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net/sched: fixed the lockdep issue in qdisctreereducebacklog qdisctreereducebacklog is called with the qdisc lock held, not RTNL. We must use qdisclookuprcu instead of qdisclookup syzbot reported: WARNING: suspicious RCU usage...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: scsi: qla2xxx: Fixed an issue where free sp in the error path could cause system crashes. System crashes were observed during load/unload tests in a loop. 61110.449331 qla2xxx 0000:27:00.0-0042:0: MSI-X disabled. 61110.467494...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tpm: fixed reference counting for struct tpmchip The following sequence of operations results in a refcount warning: 1. Open the device /dev/tpmrm. 2. Remove the module tpmtisspi. 3. Write a TPM command to the file descriptor...

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

In the Linux kernel, the following vulnerabilities have been resolved: locking/spinlock/debug: Fixed a data race in dorawwritelock. KCSAN reports: BUG: KCSAN: Data race in dorawwritelock/dorawwritelock. The following operations were performed: Write 0xffff800009cf504c 4 bytes to memory by task 11...

Astra Linux – Vulnerability in Linux 5.15

A issue was discovered in the Linux kernel before version 6.3.4. In the file fs/ksmbd/smb2pdu.c of ksmbd, there is a flaw where the UserName value is not properly checked. This occurs because the address of the security buffer is not taken into consideration, resulting in a out-of-bounds read...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: “wifi: mac80211: fix memory leak in ieee80211ifadd” This resolution involves committing change 13e5afd3d773c6fc6ca2b89027befaaaa1ea7293. The function ieee80211iffree is already called from freenetdevndev, because...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bpf: Check the size of the bloom filter map values This patch adds a missing check to the bloom filter creation process, preventing the rejection of values that exceed KMALLOCMAXSIZE. This brings the bloom map in line with many...

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: cnic: Fixed use-after-free bugs in cnicdeletetask. The original code used canceldelayedwork in cniccmstopbnx2xHW, which does not guarantee that the delayed work item “deletetask” has fully completed if it was already running...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: watchqueue: Actually free the watch object. The freewatch function does everything except actually freeing the watch object. This issue is fixed by adding the missing kfree call. KMEMLEAK generates a report similar to the...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: x86/ioremap: Maps EFI-reserved memory as encrypted for SEV. Some drivers require memory that is marked as EFI boot services data. To prevent this memory from being reused by the kernel after ExitBootServices, efimemreserve is use...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A issue was discovered in the Linux kernel through version 5.18.9. A type confusion bug in nftseteleminit could be exploited by a local attacker to escalate privileges. This is a different vulnerability than CVE-2022-32250. The attacker can obtain root access, but must start with an unprivileged...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/bridge: Added the missing pmruntimeputsync function. The pmruntimegetsync function will increase the runtime PM counter even when it returns an error. Therefore, a corresponding decrement is required to prevent a refcount lea...

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

In the Linux kernel, the following vulnerability has been resolved: spmi: Added a check for a remove callback when removing a SPMI driver. When removing a SPMI driver, a crash may occur due to a NULL pointer dereference if no remove callback is defined. This was observed in a call trace when...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iio: adc: ad7124: fixed a division by zero in ad7124setchannelodr In the ad7124writeraw function, the parameter val can potentially be zero. This may lead to a division by zero when DIVROUNDCLOSEST is called within...

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

In the Linux kernel, the following vulnerability has been resolved: dyndbg: fixed an old BUGON in the control parser. Fixed a BUGON from 2009. Even if it seems “unreachable” I haven’t actually checked, let’s ensure it by removing it and instead using prerr and returning -EINVAL...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: block: Fixed an incorrect offset in biotruncate The biotruncate function clears the buffer outside of the last block of bdev. However, the current implementation of biotruncate uses the wrong offset for the page. As a result, it...

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: igb: A potential invalid memory access issue has been fixed in igbinitmodule. The pciregisterdriver function may fail. When this occurs, the dcanotifier needs to be unregistered. Otherwise, the dcanotifier can be called when igb...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: pinctrl: renesas: core: A possible null-ptr-deref issue has been fixed in shpfcmapresources. This issue could occur when using the res function, if platformgetresource returns NULL. To prevent this, move the usage of res after...