Astra Linux – Vulnerability in Linux 5.10

A vulnerability was discovered in the Linux kernel’s blockinvalidatepage function in the fs/buffer.c file of the filesystem. A missing sanity check may allow a local attacker with user privileges to cause a denial of service DOS issue...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: usb:typec:tipd: The WARNON message in tps6598xblockread has been removed. Calling tps6598xblockread with a parameter length that exceeds the allowed limit can be handled by simply returning an error. There is no need to cause...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nbd: Fix for the race between nbdallocconfig and module removal When the nbd module is being removed, nbdallocconfig may be called concurrently by nbdgenlconnect. Although trymoduleget will return false, nbdallocconfig does not...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: f2fs: A fix was made to perform a sanity check on totaldatablocks. As reported by Yanming in Bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=215916 The kernel message is as follows: Kernel BUG at fs/f2fs/segment.c:2560! Call...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: blk-mq: Do not modify -tagset in blkmqgetsqhctx. The function blkmqrunhwqueues may be called when there are no requests queued, and after the queue is cleaned up, -tagset is freed. This is because the lifetime of -tagset is manag...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bfq: Ensure that the bfqgroup upon which we are queuing requests is online. BiOS queued into the BFQ IO scheduler can be associated with a cgroup that was already offline. This may lead to the insertion of this bfqgroup into a...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Block layer: Fixed handling of offline queues in blkmqallocrequesthctx. This patch prevents the test nvme/004 from triggering the following issues: - UBSAN: Array index out of bounds in block/blkmq.h:135:9. The index 512 is out o...

Astra Linux – Vulnerability in mbedtls

A timing side channel in mbedtlsssldecryptbuf in library/sslmsg.c in Trusted Firmware Mbed TLS from version 2.23.0 allows an attacker to obtain secret key information. This issue affects the CBC mode, as it involves a calculated time difference based on the padding length...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: L2CAP: Fixed a use-after-free caused by l2capreassemblesdu. Fixed a race condition between the following two processes that run parallelly: 1. l2capreassemblesdu - chan-ops-recv l2capsockrecvcb - sockqueuercvskb. 2...

Astra Linux - уязвимость в linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: virtio-blk: fix implicit overflow on virtiomaxdmasize The following codes have an implicit conversion from sizet to u32: u32maxsize = sizetvirtiomaxdmasizevdev; This may lead overflow, Ex sizet4G - u320. Once virtiomaxdmasize has...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: Regenerate the buddy structure after block freeing fails when under fc replay. This fix primarily reverts to commit 6bd97bf273bd “ext4: Remove redundant mbregeneratebuddy”, and reintroduces the function mbregeneratebuddy...

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

In the Linux kernel, the following vulnerability has been resolved: blk-mq: Fixed an issue where IO operations could hang due to a race condition involving the sbitmap wakeup mechanism. In blkmqmarktagwait, addwaitqueue might be re-ordered. In addition, blkmqgetdrivertag might fail if the driver...

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

In the Linux kernel, the following vulnerability has been resolved: ext4: Avoid allocating blocks from a corrupted group in ext4mbfindbygoal. The logic for checking whether the block bitmap of the group is corrupted is now placed under the protection of the group lock, thereby avoiding the...

Astra Linux – Vulnerability in Samba

A flaw was discovered in the way Samba implemented SMB1 authentication. An attacker could exploit this flaw to retrieve the plain-text password sent over the network, even if Kerberos authentication was required...

Astra Linux – Vulnerability in Linux, Linux 5.10

Rogue backends can cause Denial of Service DoS attacks on guests through high-frequency events. This CNA information record relates to multiple Common Vulnerabilities and Exposures CVEs; the text explains which aspects/vulnerabilities correspond to which CVEs. Xen allows for the execution of PV...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Fixed errors caused by “off-by-one” values when filling blocks with tlv entries during fast-commit operations. Due to several “off-by-one” errors, or perhaps due to a late change in design that wasn’t fully reflected in...

Astra Linux – Vulnerability in Qemu

A heap-based buffer overflow was discovered in QEMU version 5.0.0 in the SDHCI device emulation support. This vulnerability could occur during a multi-block SDMA transfer using the sdhcisdmatransfermultiBlocks routine in the hw/sd/sdhci.c file. A malicious user or process could exploit this flaw ...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: x86/kprobes: Updates the kcb status flag after single-stepping. The kprobes function is fixed to update the kcb kprobes control block status flag to KPROBEHITSSDONE, even if the kp-posthandler is not set. This bug may cause a...

Astra Linux – Vulnerability in WebKit2GTK

A use-after-free vulnerability exists in WebCore::RenderLayer::repaintBlockSelectionGaps in WebKitGTK before version 2.36.8. This vulnerability allows attackers to execute code remotely...

Astra Linux – Vulnerability in libstb

It was discovered that stbimage.h v2.27 contains an integer overflow vulnerability through the stbijpegdecodeblockprogdc function. This vulnerability allows attackers to cause a Denial of Service DoS attack through unspecified vectors...