Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fixed the svcdeferredevent trace class. Fixed a NULL dereference crash that occurs when an svcrqst is deferred, while the sunrpc tracing subsystem is enabled. svcrevisit sets dr-xprt to NULL, so it cannot be relied upon i...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: tipc: Check for a null pointer after calling kmemdup kmemdup may return a null pointer; therefore, it is necessary to check for this condition. Otherwise, the null pointer will be dereferenced later in tipccryptokeyxmit, as can b...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: media: imx-jpeg: Cleanup after an allocation error When allocation failures are not cleaned up by the driver, further allocation errors will be false-positives. This will result in buffers remaining uninitialized, leading to NULL...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/msm: fixed NULL dereferencing during snapshot cleanup. 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 NULL...

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: ubifs: Skip dumping the tnc tree when zroot is null. Clearing the slab cache will free all znode entries in memory, and set c-zroot.znode to NULL. Dumping the tnc tree will then access c-zroot.znode, which can lead to a null...

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

In the Linux kernel, the following vulnerabilities have been resolved: ALSA: ac97 – Fixed a possible NULL dereference in sndac97mixer. Smatch error: sound/pci/ac97/ac97codec.c:2354; sndac97mixer error: We previously assumed that ‘rac97’ could be null see line 2072. Removed redundant assignments;...

Astra Linux – Vulnerability in Linux 5.10, Linux

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 – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: HID: i2c-hid-of: fix NULL dereference on failed power-up Some time ago, the I2C HID implementation was split into an ACPI and OF part. However, the new OF driver never initializes the client pointer, which is dereferenced in case...

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: ACPICA: Avoid walking the Namespace if startnode is NULL Although commit 0c9992315e73 “ACPICA: Avoid walking the ACPI Namespace if it is not there” fixed the issue when both startnode and acpigblrootnode were NULL, the Linux kern...

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 found in Linux 6.1, Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipv6: avoid possible NULL deref in rt6uncachedlistflushdev Blamed commit accidentally removed a check for rt-rt6iidev being NULL, as spotted by syzbot: Oops: general protection fault, probably for non-canonical address...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: KVM: Do not dereference ops-destroy directly. The cleanup of a KVM device occurs through either of two callbacks: 1 destroy, called when the VM is being destroyed; 2 release, called when a device file descriptor is closed. Most K...

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 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 – Vulnerability in ffmpeg

A flaw was discovered in FFmpeg’s HLS playlist parsing. This vulnerability allows for a denial of service through a maliciously crafted HLS playlist, which triggers a null pointer dereference during initialization...

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: fec: Fixed a possible issue related to NPD in fecenetPhyResetAfterclkEnable. The function phyfinddevice may return NULL; therefore, we need to be careful when dereferencing phydev...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: powerpc/smp: Added a check for a failure in kcalloc in parsethreadgroups. Since kcalloc may fail, it is necessary to check its return value to prevent a NULL pointer derefrence when passing it to ofpropertyreadu32array...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: riscv, bpf: Fixed potential NULL dereferencing. The bpfjitbinaryfree function requires a non-NULL argument. When the RISC-V BPF JIT fails to converge within NRJITITERATIONS steps, jitdata-header will be NULL, triggering a NULL...

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

In the Linux kernel, the following vulnerability has been resolved: EFI: Fixed a potential NULL dereference in efememreservepersistent. When iterating over a linked list, the result of memremap is dereferenced without checking if it is NULL. This patch adds a check that falls back to allocating a...

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...