Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ipv6: Avoid a possible NULL dereference in rt6uncachedlistFlushDev. The responsible commit accidentally removed a check for rt-rt6iidev being NULL, as detected by syzbot. Oops: General protection fault, likely due to a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fixed the initialization of the command bitmask. The command bitmask contains a dedicated bit for the MANAGEPAGES command. This bit is not initialized during the initialization of the command bitmask; it is only...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: sunrpc: Clearing the XPRTSOCKUPDTIMEOUT when resetting the transport. Since the transport-sock has been set to NULL during the reset of the transport, the XPRTSOCKUPDTIMEOUT also needs to be cleared. Otherwise, the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: Lock wiphy in cfg80211getstation Wiphy should be locked before calling rdevgetstation see the lockdep assertion in ieee80211getstation. This fix resolves the following kernel NULL dereference: Unable to handle a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mmc: mmctest: Fixed the issue of NULL dereferencing upon allocation failure. If the allocation of test-highmem = allocpages fails, calling freepagestest-highmem will result in a NULL dereferencing. Additionally, the error code ha...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/amdgpu: the warning regarding dereferencing obj for nbiov74. If rasmanager encounters obj being null, do not print the NBIO error data...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fpga: region: adding an owner module and taking its reference count The current implementation of the fpga region assumes that the low-level module registers a driver for the parent device and uses its owner pointer to take the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ipv6: fib6rules: avoided possible NULL dereferencing in fib6ruleaction. syzbot is capable of triggering the following crashes 1, caused by the unsafe use of ip6dstidev. Indeed, ip6dstidev can return NULL, and this value must...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/msm: Avoid NULL dereferencing in msmdispstateprint regs. If the allocation in msmdispstatedump regs fails, block-state can become NULL. The msmdispstateprint regs function includes code to handle this situation: c if reg...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fixed the NULL dereference in mlx5etirbuilderalloc. In mlx5etirbuilderalloc, kvzalloc may return NULL, which will be dereferenced on the next line as a reference to the modify field. This issue was identified by the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: Ensure that the fwinfo is not null before using it. This resolves the warning regarding the dereference of a null return value reported by Coverity...

Astra Linux – Vulnerability in Linux 6.1

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

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: rtla/osnoise: Prevent NULL dereferencing in error handling. If the allocation of "tool-data" fails, there is no need to call osnoisefreetop. In fact, doing so will lead to a NULL dereferencing...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: A sanity check for the btrfs root has been added in btrfssearchslot. Syzbot reports a nullptrderef issue in btrfssearchslot. The reproducer uses rescue=ibadroots, and the extent tree root is corrupted; as a result, the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fixed a possible NULL dereference in amdgpurasqueryerrorstatushelper. Returned an invalid error code -EINVAL for invalid block IDs. The following issues have also been fixed: drivers/gpu/drm/amd/amdgpu/amdgpuras.c:118...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: PCI: Keystone: Fixed the if-statement expression in kspciequirk. This code accidentally used && where || was intended. This could potentially lead to a NULL derefrence error. Therefore, the if-statement expression should be...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/amd/display: Check null-initialized variables WHAT & HOW drrtiming and subvppipe are initialized to null, and they are not always assigned new values. It is necessary to check for null before dereferencing these variables...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ipv6: prevented possible NULL dereference in rt6probe syzbot detected a NULL dereference in rt6probe 1 Escape if in6devget returns NULL. 1 Oops: general protection fault, likely due to an invalid address 0xdffffc00000000cb: 00...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevented NULL dereference in ip6output According to syzbot, there is a possibility that ip6dstidev returns NULL in ip6output. Most parts of the IPv6 stack handle a NULL idev fine, but not this case. syzbot reported: Genera...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bcache: Reverting the change that replaced ISERRORNULL with ISERR. The commit 028ddcac477b “bcache: Removing unnecessary NULL-point checks in node allocations” causes a NULL pointer dereferencing in the cachesetFlush function. c...