Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: xattr: fixed a null pointer derefrence in ext4raw inode If ext4getinodeloc fails e.g., if it returns -EFSCORRUPTED, iloc.bh will remain set to NULL. Since ext4xattr inodedecrefall lacks error checking, this will lead to a...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: drm/panthor: Fixed UAF issues on kernel BO VA nodes. If the MMU is down, panthorvmunmaprange might return an error. We expect the page table to still be updated; if the MMU is blocked, the rest of the GPU should also be blocke...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: drm/xe/oa: Limit numsyncs to prevent oversized allocations. The OA open parameters did not validate numsyncs, allowing userspace to pass arbitrarily large values, potentially leading to excessive allocations. A check was added to...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: md: fixed rcu protection in mdwakeupthread We attempted to use RCU to protect the pointer “thread”, but passed the value directly when calling mdwakeupthread. This means that the RCU pointer was acquired before rcureadlock was...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftsetpipapo: clamp the maximum map bucket size to INTMAX Otherwise, a WARNONONCE error may occur in kvmallocnodenoprof when resizing the hashtable, because GFPNOWARN is not set. Similar issues include: b541ba7d1f5a...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: Fixed a missing pointer check in the hdacomponentmanagerinit function. The componentmatchadd function may assign the ‘matchptr’ pointer the value ERRPTR-ENOMEM, which will subsequently be dereferenced. The call stack...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: Fixed a memory leak in ext4extshiftextents. In ext4extshiftextents, if the extent is NULL during the while loop, the function returns immediately without releasing the path obtained via ext4findextent. This leads to a memor...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: block: fixed a memory leak in blkdevissuezeropages. The check for the fatal signal was moved before the bioalloc function, thereby preventing a memory leak when BLKDEVZEROKILLABLE is set and a fatal signal is pending. Previously,...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: bpf: Fixed the stackmap overflow check in bpfgetstackid Syzkaller reported a KASAN vulnerability related to out-of-bounds write operations in bpfgetstackid, when copying stack trace data. The issue occurs when the perf trace...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ntfs: Set a dummy block size to “read bootblock” when mounting. During mounting, sb-sblocksize is used to read the bootblock without being defined or validated. Set a dummy block size before attempting to read the bootblock. The...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Platform/x86: hp-bioscfg: Fixed out-of-bounds array access issues in ACPI package parsing. The hppopulateelementsfrompackage functions in the hp-bioscfg driver contain vulnerabilities related to out-of-bounds array access. These...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ALSA: scarlett2: A buffer overflow has been fixed in the configuration retrieval process. The scarlett2usbgetconfig function contains a logical error in the endianness conversion code, which can lead to buffer overflows when coun...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: can: usb: f81604: correctly anchors the urb in the read bulk callback. When submitting an urb, that is using the anchor pattern, it needs to be anchored before submission. Otherwise, it could be leaked if the usbkillanchoredurbs...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: MIPS: ftrace: Fixed memory corruption when the kernel’s size exceeds 32 bits. Since the commit e424054000878 “MIPS: Tracing: Reducing the overhead of dynamic Function Tracer”, the macro UASMiLAmostly has been used. This macro can...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/sched: actskbedit: fix divide-by-zero in tcfskbedithash Commit 38a6f0865796 “net: sched: support hash selecting tx queue” added support for SKBEDITFTXQSKBHASH. The inclusive range size is computed as follows: mappingmod =...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: mm, shmem: prevent infinite loop on truncate race When truncating a large swap entry, shmemfreeswap returns 0 when the entry’s index does not match the given index due to lookup alignment. The failure fallback path checks whether...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: The payload size has been sanitized to prevent member overflow. In functions qla27xxcopyfpinpkt and qla27xxcopymultiplepkt, the framesize reported by the firmware is used to calculate the copy length for the...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: hns3 – added validation of the VLAN ID before using it. Currently, the VLAN ID can be used without validation when receiving a VLAN configuration mailbox from VF. The length of vlansdelfailbmap is BITSTOLONGSVLANNVID. This m...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: clk: samsung: exynos-clkout: Assign .num before accessing .hws The commit f316cdff8d67 annotated the hws member of the struct clkhwonecelldata with countedby. This informs the bounds sanitizer UBSANBOUNDS about the number of...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: md/raid5: Fixed possible null-pointer dereferences in raid5storegroupthreadcnt. The variable mddev-private is first assigned to conf, and then checked: c conf = mddev-private; if !conf… If conf is NULL, then mddev-private is also...