Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

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 – 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: acct: performs the last write operation from the workqueue. In 1, it was reported that the acct2 system call can be used to trigger a NULL derefrence in cases where it is set to write to a file that triggers an internal lookup...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cifs: Prevent NULL dereferencing in cifscomposemountoptions. The optional @ref parameter may contain a NULL nodename. Therefore, prevent dereferencing it in cifscomposemountoptions. Address-Coverity: 1476408 “Explicit NULL...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: sctp: sysctl: udpport: avoid using current-nsproxy As mentioned in a previous commit of this series, using the net structure via current is not recommended for various reasons: - Inconsistency: obtaining information from 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/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

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, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: x86/hyperv: Fixed a NULL dereferencing in sethvtscchangecb if the Hyper-V setup fails. Checked for a valid hvvpindex array before dereferencing hvvpindex when setting Hyper-V’s TSC change callback. If Hyper-V setup fails in...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: venus: hfi: avoid null dereference in deinit. If venusprobe fails at pmruntimeputsync, it first calls hfiDestroy, and then hficoredeinit. Since hfiDestroy sets core-ops to NULL, hficoredeinit can no longer call the...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipw2x00: Fixed a potential NULL dereference in libipwxmit crypt and crypt-ops could be null, so we need to check for null before performing the dereference operation...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: serial: 8250aspeedvuart: Fixed the potential NULL dereferencing in aspeedvuartprobe. The platformgetresource function may fail and return NULL; therefore, we should better check its return value to avoid NULL pointer dereferencin...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Check for a potential null return from kmallocarray. Since kmallocarray may return null, the use of 'eventwaitersi.wait' could lead to a null pointer derefrence. Therefore, it is better to check the return value of...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: - net: bonding: Fixed a NULL dereference in bonddebugrlbhashshow. - rlbclearslave intentionally keeps RLB hash-table entries on the rxhashtblusedhead list with the slave set to NULL when no replacement slave is available...

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: ptp: Ensure that info-enable callback is always set. The ioctl and sysfs handlers call the -enable callback unconditionally. Not all drivers implement this callback, resulting in NULL dereferencing. Examples of affected drivers:...

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

In the Linux kernel, the following vulnerabilities have been resolved: tipc: Check the bearer type before calling tipcudpnlbeareradd syzbot reported the following general protection fault 1: General protection fault, likely for non-canonical address 0xdffffc0000000010: 0000 1 PREEMPT SMP KASAN...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net/sched: actife: avoided possible NULL derefrence tcfifeencode must ensure that ifeencode does not return NULL. syzbot reported: Oops: general protection fault, likely for non-canonical address 0xdffffc0000000000: 0000 1 SMP...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/msm: fixed NULL dereferencing when uninstalling an interrupt. In cases of early initialization errors, and on platforms that do not use the DPU controller, the deinitialization code can be called with the kms pointer set to...

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: net/sched: schcake: Fixed incorrect qlen reduction in cakedrop In cakedrop, qdisctreereducebacklog is used to update the qlen and backlog of the qdisc hierarchy. Its caller, cakeenqueue, assumes that the parent qdisc will enqueue...

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: net/sched: schqfq: Fixed a null dereference in aggdequeue. To prevent a potential crash in aggdequeue when cl-qdisc-ops-peekcl-qdisc returns NULL, we check the returned value before using it, similar to the existing approach in...