Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: Fixed memory leaks and NULL dereferencing in smb2lock. smb2lock has three error handling issues after listdel detaches smblock from locklist at nocheckcl: 1 If vfslockfile returns an unexpected error in the non-UNLOCK...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Ring Buffer: Check for NULL cpubuffer in ringbufferwakewaiters On some machines, the number of listed CPUs may be larger than the actual CPUs that exist. The tracing subsystem allocates a per-CPU directory with access to the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Added missing gfx11 MQD manager callbacks. The mqdstride function was introduced in commit 2f77b9a242a2 "drm/amdkfd: Update MQD management on multi XCC setup", but it wasn’t assigned to gfx11. This issue is fixed by...

Astra Linux – Vulnerability in Tiff

A NULL pointer dereferencing in TIFFClose is caused by failing to open an output file a non-existent path or a path that requires permissions like /dev/null while specifying zones...

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 in Linux 5.10, Linux

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

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: “drm/gem-shmem: Use dmabuf from GEM object instance” has been reverted. This reversion is reflected in commit 1a148af06000e545e714fe3210af3d77ff903c11. The dmabuf field in the struct drmgemobject is not stable throughout the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Netwerk: Ethernet: ti: am65-cpsw: Fixed NULL dereference on XDPTX. If the number of TX queues is set to 1, we encounter a NULL pointer dereference during XDPTX. ethtool -L eth0 tx 1 ./xdp-trafficgen udp -A -a eth0 -t 2 Transmitti...

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, 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. Addresses-Coverity: 1476408 “Explicit NULL...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iwcxgb4: A potential NULL dereferencing in c4iwfillrescmidentry has been fixed. This condition must match the previous “if epcp-state == LISTEN” exactly to avoid a NULL dereferencing of either “listenep” or “ep”. The problem is...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ethtool: eeprom: fixed the null-dereference on genlinfo in the dump. A similar fix, as described in commit 46cdedf2a0fa “ethtool: pse-pd: fixed the null-dereference on genlinfo in the dump”, is also required for ethtool eeprom...

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 – 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 in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu: Use the correct type in nvidiasmmucontextfault This issue was overlooked due to the use of function pointers for indirection. nvidiasmmucontextfault is also defined as an irq function, and the type ‘void ’ was...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: KVM: Do not dereference ops-destroy with a null pointer. 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...

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

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed a potential null dereference in dmresume Why To fix the match error: The dmresume error: We previously assumed that ‘aconnector-dclink’ could be null. How Checked whether dclink is null at the beginning of...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: tls: Fixed a NULL dereference issue in tlsswspliceeof, where an empty plaintext/ciphertext buffer could cause confusion in the sendfile process. When the plaintext/ciphertext skmsg is empty, the send path becomes confused because...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: auxdisplay: line-display: fixed NULL dereferencing in linedisprelease. linedisprelease currently retrieves the enclosing struct linedisp via tolinedisp. This retrieval depends on the attachment list, but the attachment may have...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Firmware: armscmi: Fixed a NULL dereference on the notify error path. Since the commit b5daf93b809d1 “Firmware: armscmi: Avoid notifier registration for unsupported events”, the call chains leading to the helper...