Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: udmabuf: validate ubuf-pagecount Syzbot reported a GPF in sgallocAppendTablefromPages. The problem lies in ubuf-pages == ZEROPTR. ubuf-pagecount is calculated based on arguments passed from user-space. If the user creates an...

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: clk: Fixed the issue where clkcoreget could dereference a NULL value. It is possible for clkcoreget to dereference a NULL value in the following sequence: c clkcoreget ofclkgetHWFromClkspec ofclkgetHWFromProvider clkgetHW clkgetH...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: rose: Fixed NULL pointer dereferencing in rosesendframe The syzkaller reported an issue: KASAN: NULL pointer dereferencing in range 0x0000000000000380-0x0000000000000387 CPU: 0 PID: 4069 Comm: kworker/0:15 Not tainted...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs: fixed the issue of parameter context leaks during the damonsysfsnewtestctx function failure. Patches in the series “mm/damon/sysfs: fixed memory leaks and NULL pointer dereferencing issues”, version 4. DAMONSYSFS...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: scsi: scsidebug: Do not call kcalloc if size argument is zero. If the size argument to kcalloc is zero, it returns ZEROSIZEPTR. Therefore, for the subsequent NULL pointer check to work on the returned pointer, kcalloc must not...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/msm: Fixed null pointer dereferencing without IOMMU. Check whether ‘aspace’ is set before using it, as it will remain null without IOMMU, especially on devices like msm8974...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: char: applicom: fixed NULL pointer dereferencing in acioctl. Discovered by Atuin – Automated Vulnerability Discovery Engine. In acioctl, the validation of IndexCard and the check for a valid RamIO pointer are skipped when cmd is ...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: cs35l41: Fixed NULL pointer dereferencing in cs35l41hdareadacpi The acpigetfirstphysicalnode function may return NULL. In such cases, the getdevice function also returns NULL. However, this value is then dereferenced...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: perf/x86/amd: Check the event before enabling it to avoid a General Protection Fault GPF. On AMD machines, cpuc-eventsidx can become NULL due to a subtle race condition with NMI-throttle-x86pmustop. Check if the event is NULL in...

Astra Linux – Vulnerability in Linux 5.10

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 5.10

In the Linux kernel, the following vulnerabilities have been resolved: s390/bpf: Fixed pointer arithmetic in bpfplt. Kui-Feng Lee reported a crash on the s390x architecture, triggered by the dummystops/dummyinitptrarg test 1: 0x2 bpfstructopstestrun+0x156/0x250 sysbpf+0xa1a/0xd00...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Added a null pointer check to attrloadrunsvcn Some metadata files are processed before the MFT. This requires adding a null pointer check for certain corner cases that could lead to NPD when reading these metadata...

Astra Linux – Vulnerability in libstb

It was discovered that Nothings stb 2.28 contains a Null Pointer Dereference issue through the stbiconvertformat function. This vulnerability allows attackers to cause a Denial of Service DoS attack using a specially crafted PIC file...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fixed a memory leak in kfdmemdmamapuserptr. If the number of pages from the userptr BO differs from the SG BO, then the allocated memory for the SG table does not get freed before returning – leading to an EINVAL erro...

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

In the Linux kernel, the following vulnerability has been resolved: drm/msm/mdp5: Added a check for kzalloc. Since kzalloc may fail and return a NULL pointer, it’s better to check the return value in order to avoid dereferencing a NULL pointer. Patchwork:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: iommufd: Check for uptr overflow syzkaller discovered that setting up a page with a user VA that exceeds zero can trigger WARNONs, especially when pinuserpages returns 0 due to invalid arguments. This issue prevents the creati...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: btnxpuart: Fixed a null pointer dereference in the btnxpuartflush function. A check was added before freeing the rx-skb in the flush and close functions to handle kernel crashes that occur when removing the driver...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: Invalid parameter check in dpusetupdspppcc The function performs a check on the “ctx” input parameter, however, it is used before the check. The “base” variable is initialized after the sanity check to avoid a possib...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: HID: Intel-thc-hid: Added a safety check for reading the DMA buffer. A readiness check for the DMA buffer is added before reading it, to avoid unexpected NULL pointer accesses...

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

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Fixed a NULL pointer dereference in ‘niwrite inode’. Syzbot identified the following issue: inability to handle a NULL pointer dereference at the virtual address 0000000000000016. Memory abort information: ESR =...