Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mptcp: fixed the issue of re-injecting data from stale subflows. When the MPTCP Process Manager detects that a subflow is stale, the packet scheduler must re-inject all the unacknowledged data at the mptcp level. To avoid acquiri...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: f2fs: multidev: fix to recognize valid zero block addresses According to Yi Zhang’s report in the mailing list 1, a kernel warning was detected during the zbd/010 test as follows: ./check zbd/010 zbd/010 test for gap zone support...

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: led-backlight: ledbl: The lock must be held when calling ledsysfsdisable. Lockdep has detected the following issue during the removal of led-backlight: 142.315935 ------------ Cut here ------------ 142.315954 WARNING: CPU: 2; PID...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: powerpc/cell/axonmsi: The refcount leak in setupmsimsgaddress has been fixed. The function ofgetnextparent returns a node pointer with the refcount incremented. We should use ofnodeput on it when it is no longer needed. Add the...

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

In the Linux kernel, the following vulnerability has been resolved: pinctrl: Single issue: fix the potential NULL dereference in pcsgetfunction. The pinmuxgenericgetfunction function may return NULL, and the pointer “function” was dereferenced without checking against NULL. Add checking of the...

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: jfs: added a check to prevent array-index-out-of-bounds in dbAdjTree. When the value of lp is 0 at the beginning of the for loop, it will become negative during the next assignment, and we should take appropriate measures to avoi...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ACPI: CPPC: Use accesswidth instead of bitwidth for system memory accesses To comply with ACPI 6.3+, since bitwidth can be any 8-bit value, it cannot be relied upon to always be at a clean 8-bit boundary. This issue was discovere...

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

In the Linux kernel, the following vulnerability has been resolved: udf: Do not bother merging very long extents. When merging very long extents, we try to assign as much length as possible to the first extent. However, this is unnecessarily complicated and not really worth the effort. Moreover,...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/virtio: Check whether the transferred 2D BO is a shmem BO. The transferred 2D BO must always be a shmem BO. Add a check to prevent NULL dereferencing if the user space passes a VRAM BO...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net: Handling of integer overflows in kmallocreserve The committed change was as follows: c ptr = kmallocsize; if ptr size = ksizeptr; size = kmallocsizeroundupsize; ptr = kmallocsize; This caused various crashes, as reported ...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: udf: Fixed NULL pointer dereferencing in the udfsymlink function. In the udfsymlink function, epos.bh is assigned the value returned by udftgetblk. The udftgetblk function is defined in udf/misc.c and returns the value of the...

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

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Avoid NULL dereferencing of the timing generator Why & How Check whether the assigned timing generator is NULL before accessing its functions, to prevent NULL dereferencing...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: igc: Avoid returning the frame twice in XDPREDIRECT When a frame cannot be transmitted via XDPREDIRECT e.g., due to a full queue, it is necessary to free the frame by calling xdpreturnframerxnapi. However, this is the...

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: KVM: Fixed a data race on lastboostedvcpu in kvmvcpuonspin. Used READ,WRITEONCE to access kvm-lastboostedvcpu to ensure that reads and writes are atomic. In the extremely unlikely scenario where the compiler introduces errors in...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: - media: cx25821: Fixed a resource leak in cx25821devsetup - Added releasememregion if ioremap fails to release the memory region obtained by cx25821getresources...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: Check for port partner validity before consuming it The tcpmstatemachine function does not guarantee that partner registration always succeeds. In the event of a failure, port-partner is set to the error value o...

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

In the Linux kernel, the following vulnerabilities have been resolved: drm/amd/display: Skip wbsclsetscalerfilter if the filter is null. Callers can pass null as the filter value e.g., from the function wbsclgetfiltercoeffs16p, and a null check has been added to ensure that this does not occur...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Null checks for ‘stream’ and ‘plane’ were added before dereferencing them. This commit adds null checks for the ‘stream’ and ‘plane’ variables in the dcn30applyidlepoweroptimizations function. These variables wer...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Prevent deadlock while disabling aRFS When disabling aRFS under the priv-statelock, any scheduled aRFS operations are canceled using the cancelworksync function. This function waits for the operation to finish if it ha...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: fixed a race condition between ext4write and ext4convertinlinedata Hulk Robot reported a BUG: ================================================================== EXT4-fs error device loop3: ext4mbgeneratebuddy:805: group 0,...