Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: xfs: check the return value of xchkscrubcreatesubord. This function should be fixed to return NULL instead of the mangled ENOMEM value. Additionally, the calling functions should be corrected to actually check for a null pointer...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: xfs: fixed a UAF Use-after-Free in xchkbtreecheckblockowner. We cannot dereference bs-cur when trying to determine whether bs-cur aliases bs-sc-sa.bno,rmapcur after the latter has been freed. This issue was fixed by introducing a...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: A NULL pointer dereferencing issue was addressed when splitting folio objects. The commit c010d47f107f “mm: thp: splitting huge pages into lower-order pages” introduced a check on the order of the folio objects via...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: iavf: Fixed off-by-one issues in iavfconfigrssreg There are off-by-one bugs when configuring the RSS hash key and lookup table, causing out-of-bounds reads to memory 1 and out-of-bounds writes to device registers. Before commi...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: Added a missing NULL pointer check for the pingpong interface. This check is almost always performed in dpuencoderphyswbsetupctl, but in a single location, the check is missing. Also, use convenient locals variables...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: btusb: mediatek – Fixed a kernel crash that occurred when releasing the mtk iso interface. When performing reset tests and encountering abnormal card drop issues that lead to a kernel crash, it is necessary to perfo...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: In ext4, the order of execution of functions ext4percpuparaminit and ext4mbinit has been changed. When running kvm-xfstests -c ext4/1k -C 1 generic/383 with the DOUBLECHECK macro defined, a panic occurs as follows:...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: APEI/GHES: ARM processor Error: Do not go beyond the allocated memory If the BIOS generates a very small ARM Processor Error, or an incomplete one, the current logic will fail to deferrence err-sectionlength and ctxinfo-size...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Team: Fix for checking whether the port is enabled in teamqueueoverrideportpriochanged. A syzkaller bug was recently reported with the following trace: listdel corruption; ffff888058bea080-prev is LISTPOISON2 dead000000000122...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Added a signal type check for dcn401 getphyd32clksrc Attempting to access link enc on a dpia link will cause a crash...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: HID: intel-ish-hid: Fixed a NULLptrderef issue in ishtpbusremoveallclients. During a warm reset process, the cl-device pointer may become NULL if the reset occurs while clients are still being enumerated. Accessing...

Astra Linux – Vulnerability in util-linux

util-linux is a collection of Linux utilities. Prior to version 2.41.4, a TOCTOU Time-of-Check-Time-of-Use vulnerability was identified in the SUID binary /usr/bin/mount from util-linux. When the mount binary sets up loop devices, it validates the source file path with user privileges using fork ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mtdchar: Fixed integer overflow in read/write ioctls. The req.start and req.len variables are u64 values that originate from the user at the beginning of the function. We mask the high 32 bits of req.len, ensuring that its value ...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Apparmor: Fixed a missing bounds check on the DEFAULT table in verifydfa. The verifydfa function only checks the bounds of DEFAULTTABLE when the state is not differentially encoded. When the verification loop traverses the...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: - svcrdma: The bound check of rqpages index in the inline path. - svcrdmacopyInlineRange: Indexing rqstp-rqpagesrccurpage without verifying that rccurpage remains within the allocated page array. Add guards before the first us...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: Check the length of skb for an unknown CC opcode. In hcicmdCompleteevt, if the command completion event has an unknown opcode, we assume that the first byte of skb-data contains the return status. However, th...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: minix: Required sanity checking was added to minixchecksuperblock. The fs/minix implementation of the minix file system currently does not support any value for slogzonesize other than 0. This is also the only value supported in...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: dm: fixed the unlocked test for dmsuspendedmd. The function dmblkreportzones checks whether the device is suspended using the dmsuspendedmd call. However, this function is called without holding any locks, so the device may be...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed an issue where engid could be negative, causing the streamenc regs array to be indexed out of bounds. The variable engid is used directly as an index into the streamenc regs array, which has only 5 elements...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check dcehwseq before dereferencing it. WHAT hws was checked for being null earlier in dce110blankstream, indicating that hws can be null. This check should be performed whenever hws is used. Cherry-picked from...