Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: ar5523: Fixed a use-after-free in ar5523cmd when it timed out. syzkaller reported a use-after-free with the stack trace as follows 1: 38.960489 C3 ================================================================== 38.963216...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: RDMA/srpt: Added a check for a valid ‘madagent’ pointer. When unregistering an MAD agent, the srpt module performs a non-null check on the ‘madagent’ pointer before invoking ibunregistermadagent. This check can fail if the...

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

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fixed the DMA-API call trace for NVMe LS requests. The following message and call trace were observed with debug kernels: DMA-API: qla2xxx 0000:41:00.0: The device driver failed to check the map error device...

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, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Networks: TLS – Avoid hanging tasks when using txlock. The syzbot reported a situation where tasks were hung. Eric explains that the adversarial receiver may keep RWIN at 0 for a long time, so we cannot guarantee progress. Thread...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed the potential null dereference issue. The adev-dm.dc pointer can be NULL, and it may be dereferenced in amdgpudmfini without any checks. A NULL pointer check should be added before calling dcdmubsrvdestroy...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: dm: A race condition in retrievedeps has been fixed. There is a race condition in the multipath target when retrievedeps interacts with multipathmessage. This race condition occurs when multipathmessage calls dmgetdevice and...

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

In the Linux kernel, the following vulnerabilities have been resolved: Input: raspberrypi-ts – fixed the reference count leak in rpitsprobe. The rpifirmwareget function takes a reference; we need to release it in error paths as well. Use the devmrpifirmwareget helper to handle resources. Also,...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: BPF: Fixed a memory leak in the LRU and LRUPERCPU hash maps The LRU and LRUPERCPU maps allocate a new element during updates, before locking the target hash table bucket. Immediately afterwards, the maps attempt to lock the bucke...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fixed an OOB read issue in indxinsertintobuffer. Syzbot reported a OOB read bug: BUG: KASAN: A slab-out-of-bounds condition occurs in indxinsertintobuffer+0xaa3/0x13b0. Location: fs/ntfs3/index.c:1755 A read of size 171...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mtd: Avoid boot crashes in the RedBoot partition table parser Given the CONFIGFORTIFYSOURCE=y setting and a recent compiler version, the commit 439a1bcac648 “fortify: Use builtindynamicobjectsize when available” results in the...

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

In the Linux kernel, the following vulnerability has been resolved: tty: fixed an out-of-bounds access in ttydriverlookuptty When an invalid console= device is specified, such as console=tty3270, ttydriverlookuptty returns the tty struct without checking whether the index is a valid number. To...

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: ipv4: fixed a memory leak in inetdelifa. The following warning was encountered during the fuzzing test: unregisternetdevice: waiting for bond0 to become free. Usage count = 2 This issue can be reproduced as follows: ip link...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In the ofmodalias function, we can pass the str and len parameters. This could lead to a kernel oops in vsnprintf, as the function only allows passing a NULL pointer when the length is also 0. Additionally, we need to filter out...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: Fixed a possible warning in privcmdioctlmmapresource. Since ‘kdata.num’ is a user-controlled data, if the user attempts to allocate memory larger than MAXORDER, then kcalloc will fail. This will also generate a stack...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackexpect: Use expect-helper. Use expect-helper in ctnetlink and /proc to dump the helper’s name. Using nfcthelp without holding a reference to the master conntrack is unsafe. Use exp-master-helper in the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/amdgpu/gfx12.1: Replace BUGON with WARNON. There is no need to crash the kernel in these cases. Cherry-picked from commit e4d99e04b2e9b13b97d3b17804c735f62689db23...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: Fix deadlock due to corruption of mbcache entries When manipulating xattr blocks, a deadlock can occur due to infinite loops within ext4xattrblockset. In this process, we continuously try to reuse xattr blocks for mbcache,...

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

In the Linux kernel, the following vulnerability has been resolved: net/sched: schqfq: do not free existing class in qfqchangeclass This fix addresses the issue with the qfqchangeclass function. The cl-qdisc and cl fields should only be freed if a new class and qdisc are allocated; otherwise,...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: xhci: dbc: Fixed a memory leak in xhciallocdbc If DbC is already in use, the allocated memory for the xhcidbc struct does not get freed before returning NULL, resulting in a memory leak...