Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: crypto: virtio/akcipher – Fixed a stack overflow issue in memcpy. The value of sizeofstruct virtiocryptoakciphersessionpara is less than sizeofstruct virtiocryptoopctrlreq::u. Copying more bytes from the stack variable leads t...

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: s390/zcrypt: fix reference counting on zcrypt card objects Tests with hot-plugging crytpo cards on KVM guests with debug kernel build revealed an use after free for the load field of the struct zcryptcard. The reason was an...

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: crypto: afalg – Fixed an overflow issue during page reassignment in afalgpulltsgl. When page reassignment was added to afalgpulltsgl, the original loop wasn’t updated, which could lead to trying to reassociate one more page than...

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

In the Linux kernel, the following vulnerability has been resolved: net: tls: handling of backlogging of crypto requests Since we are setting the CRYPTOTFMREQMAYBACKLOG flag on our requests to the crypto API, cryptoaeadencrypt,decrypt can return -EBUSY instead of -EINPROGRESS in valid situations...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: crypto: hisilicon/debugfs – Fixed the issue with the uninit process of debugfs. During the zip probe process, a failure in debugfs does not stop the probe. When the initialization of debugfs fails, jumping to the error branch...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: MAC comparisons need to be performed in constant time. To prevent timing attacks, MAC comparisons must be done in constant time. Replace the memcmp function with the correct function, cryptomemneq...

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: crypto: qat – resolves a race condition during AER recovery During the error recovery process of the PCI AER system, the kernel driver may encounter a race condition related to the freeing of the resetdata structure’s memory. If...

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: crypto: algifhash – fixed the double-free in hashaccept. If the accept2 function is called on the algifhash socket type with the MSGMORE flag set, and the cryptoahashimport fails, sk2 is freed. However, it is also freed in...

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: crypto: algifaead – Fixed the issue with the check for the minimum RX size during decryption. The check for the minimum receive buffer size did not take the tag size into account during decryption. This issue has been fixed by...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: esp: fixed the skb leak that occurred with espintcp and async crypto. When the TX queue for espintcp is full, espoutputtailtcp will return an error and not free the skb. This is because, with synchronous crypto, the common xfrm...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: crypto: virtio – Add spinlock protection with virtqueue notification When a virtual machine boots with a virtio-crypto PCI device and a built-in backend, run the openssl benchmark command with multiple processes. For example:...

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: crypto: authenticatesn – Do not place hiseq at the end of dst for out-of-place decryption When decrypting data that is not in-place src != dst, there is no need to save the high-order sequence bits in dst, as it can simply be...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: crypto: af-alg – Fix NULL pointer dereference in scatterwalk The AFALG interface fails to unmark the end of a Scatter/Gather List SGL when chaining a new afalgtsgl structure. If a sendmsg function fills an SGL exactly up to...

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: crypto: API – Use a work queue in cryptoDestroyInstance. The function cryptoDropSpawn is expected to be called from the process context. However, when an instance is not registered while it still has active users, the last user m...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: fixed the issue where preallocated blocks were truncated in f2fsfileopen. Chenyuwen has reported the following f2fs bugs: Unable to handle a NULL pointer dereferencing at the virtual address 0000000000000011...

Astra Linux – Vulnerability in Qemu

A flaw was discovered in the virtio-crypto device of QEMU. A malicious guest operating system can exploit a missing length limit in the AKCIPHER path, resulting in uncontrolled memory allocation. This can lead to a denial of service attack on the host system, causing the QEMU process to terminate...

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: smb: client: fixed UAF in async decryption Performing async decryption large read results in a crash due to a slabuseafterfree issue in the crypto API. Reproducing the issue: mount.cifs -o ...,seal,esize=1 //srv/share /mnt dd...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: crypto: qat – Fix for the memory leak caused by ADFDEVRESET. Using completiondone to determine whether the caller has gone away only works after a complete call. Moreover, it’s still possible that the caller hasn’t yet called...

Astra Linux – Vulnerability in Qemu

A flaw was discovered in the QEMU virtual crypto device during handling of data encryption/decryption requests in virtiocryptohandlesymreq. There is no check for the values of srclen and dstlen in virtiocryptosymophelper, which may lead to a heap buffer overflow if these values differ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: crypto: qat – fix DMA transfer direction When CONFIGDMAAPIDEBUG is enabled, during the execution of the crypto self-test for QAT crypto algorithms, the function adddmaentry reports a warning indicating that overlapping mapping...