Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Avoiding hwdesc array overrun in dw-axi-dmac I have a use case where nrbuffers = 3, and each descriptor consists of 3 segments. As a result, the DMA channel descriptors allocated are 9. Since axidescput handles the hwdesc by...

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

A null pointer dereference flaw was discovered in the Linux kernel’s DECnet networking protocol. This issue could allow a remote user to crash the system...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: hns3: do not allow calling hns3nicnetopen repeatedly The function hns3nicnetopen should not be called repeatedly, but there is no checking for this. When performing device reset and setting up traffic channels concurrently,...

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

In the Linux kernel, the following vulnerability has been resolved: drm/panel: fixed a possible null pointer dereferencing issue. In versatilepanelgetmodes, the return value of drmModeduplicate is assigned to mode, which could lead to a NULL pointer dereferencing issue if drmModeduplicate fails. ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In the isotprcv function, there is a potential issue where race conditions may occur during CAN frame reception. When receiving a CAN frame, the current code logic does not take into account processes that are not actually runnin...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bnxtre: Avoid undefined behavior in bnxtqpliballocinithwq. Undefined behavior occurs when bnxtqpliballocinithwq is called with hwqattr-auxdepth != 0 and hwqattr-auxstride == 0. In that case, rounduppowoftwohwqattr-auxstride is...

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: Wireguard: Receive: Annotated data-race around receivingcounter.counter. Syzkaller with KCSAN identified a data-race issue when accessing keypair-receivingcounter.counter. Use READONCE and WRITEONCE annotations to mark the dat...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: asixmdioread: Fix for uninit-value in asixmdioread. asixreadcmd may read less than sizeofsmsr bytes, and in this case, smsr will be uninitialized. Bug reports: BUG: KMSAN: uninit-value in asixcheckhostenable...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: erofs: Fix inconsistent per-file compression format EROFS can select compression algorithms on a per-file basis. Each per-file compression algorithm needs to be marked in the on-disk superblock for initialization. However,...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: powerpc/kasan: Fixed an issue where the early region was not updated correctly. The shadow’s page table is not updated when PTERPNSHIFT is 24 and PAGESHIFT is 12. This not only causes false positives but also false negatives, ...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: erspan: Do not assume that the transport header is always set. Rewrite the tests for ip6erspantunnelxmit and erspanfbxmit to not assume that the transport header is set. syzbot reported: WARNING: CPU: 0 PID: 1350 at...

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

In the Linux kernel, the following vulnerability has been resolved: mm: Avoid overflows in the dirty throttling logic. The dirty throttling logic relies on assumptions that dirty limits in PAGESIZE units fit within 32-bit boundaries so that various calculations can be performed within 64 bits. If...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mm/slub: Actually fixed the issue with the freelist pointer and redzone allocation. It turns out that SLUB redzone allocation “slubdebug=Z” checks based on s-objectsize instead of s-inuse which is normally adjusted to make roo...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: Tracing: The length check that causes memory corruption was corrected. We have experienced severe kernel crashes due to memory corruption in our production environment. For example: Call Trace: 1640542.554277 General protectio...

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

A issue was discovered in the Linux kernel through version 5.16-rc6. The function malidpcrtcreset in the file drivers/gpu/drm/arm/malidpcrtc.c lacks a check on the return value of kzalloc. This could lead to a null pointer dereferencing...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

A issue was discovered in the Linux kernel through version 5.16-rc6. The lkdtmARRAYBOUNDS function in drivers/misc/lkdtm/bugs.c lacks a check for the return value of kmalloc, which can lead to a null pointer derefrence...

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

In the Linux kernel, the following vulnerabilities have been resolved: rxrpc: DATA/RESPONSE packets are also unshared when paged fragments are present. The DATA-packet handler in rxrpcinputcallevent and the RESPONSE handler in rxrpcverifyresponse copy the skb into a linear sequence before calling...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/amd: Fixed an out-of-bounds error in the BIOS parser. The array size is hardcoded to 8 in atomfirmware.h, but sometimes the firmware uses a larger array size. Dereferencing the larger array causes an out-of-bounds error. T...

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

In the Linux kernel, the following vulnerability has been resolved: ACPICA: Check that the null return value of ACPIALLOCATEZEROED in acpidbdisplayobjects is valid. The issue was reported by ACPICA commit 0d5f467d6a0ba852ea3aad68663cbcbd43300fd4. The ACPIALLOCATEZEROED function may fail, and...

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: udptunnel: Use netdevwarn instead of netdevWARN. netdevWARN uses WARN/WARNON to print a backtrace along with file and line information. In this case, udptunnelnicregister failing due to a memory allocation failure e.g., kzalloc o...