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: Bluetooth: Fixed null-ptr-deref in l2capsockresumecb. syzbot reported null-ptr-deref in l2capsockresumecb. 0 l2capsockresumecb has a similar issue that was fixed in commit 1bff51ea59a9 “Bluetooth: fixed use-after-free errors i...

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

In the Linux kernel, the following vulnerability has been resolved: net: rds: Fixed a possible NULL pointer dereferencing issue. In the rdsrdmacmeventhandlercmn function, a check was performed to ensure that the conn pointer exists before dereferencing it as an argument for rdmasetservicetype. Th...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Net: tap: A NULL pointer dereference occurred in devparseheaderprotocol when skb-dev is null. This bug is triggered by the tap driver. When tapgetuser calls virtionethdrtoskb, skb-dev is null since skb-dev is set after the call t...

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

In the Linux kernel, the following vulnerability has been resolved: vhost/scsi: A null pointer dereference bug can occur when the guest sends an SCSI AN request. In the function vhostscsiCTLHANDLEVQ, the variable vc.target is assigned the value of &vreq.tmf.lun1 within a switch-case block. This...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cppccpufreq: Fixed a possible null pointer dereferencing issue. The functions cppccpufreqgetrate and hiicppccpufreqgetrate can be called from different locations with various parameters. Therefore, cpufreqcpuget may return null a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Lag – Check for LAG devices before creating debugfs. The function mlx5lagdevaddmdev may return 0 success even when an error occurs, but this error is handled gracefully. As a result, the initialization process continues...

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: drm/tegra: Fixed a possible null pointer derefrence issue. In tegracrtcreset, new memory is allocated using kzalloc, but no checks are performed. Before calling drmatomichelpercrtcreset, the state of the memory allocation should ...

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: bcache: fixed a NULL pointer in cachesetFlush 1. LINE1794 – LINE1887 contains code related to the function of bchcachesetalloc. 2. LINE2078 – LINE2142 contains code related to the function of registercacheset. 3. 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: net: ieee802154: Do not leave a dangling sk pointer in ieee802154create sockinitdata attaches the allocated sk object to the provided sock object. If ieee802154create fails later, the allocated sk object is freed, but the danglin...

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: backlight: pm8941: Add a NULL check in wledconfigure. The devmkasprintf function returns NULL when memory allocation fails. Currently, wledconfigure does not check for this case, resulting in a NULL pointer being dereferenced. Ad...

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: scsi: target: The ttaskcdb pointer is reset in the error case. If the allocation of cmd-ttaskcdb fails, it remains NULL, but it is later referenced in the ‘err’ path. In case of an error, the NULL ttaskcdb value is reset to point...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Platform/x86: Intel: punitipc: fixed memory corruption. This issue was addressed by correcting the address of the pointer “&punitipcdev” when the intent was to pass the pointer itself “punitipcdev” without the ampersand. This mea...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: s390/sclp: Added a check for the return value of getzeroedpage. Also, added a check for the return value of getzeroedpage in sclpconsoleinit to prevent null pointer dereferencing. Furthermore, to address the memory leak caused by...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: virtio-net: The issue of checking the received length in large packets has been fixed. Since commit 4959aebba8c0 “virtio-net: Use the MTU size as the buffer length for large packets”, when the guest gso is disabled, the allocated...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: thermal/int340xthermal: handles datavault when the value is ZEROSIZEPTR. In some cases, GDDV returns a packet with a buffer of zero length. This causes kmemdup to return ZEROSIZEPTR 0x10. As a result, datavaultread encounters a...

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: vsock: Fixed the transportg2h,h2g TOCTOU issue. The vsockfindcid and vsockdevdoioctl functions may race with module unloading. transportg2h,h2g may become NULL after the NULL check. Introduced vsocktransportlocalcid to prevent...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ice: Check the VF VSI Pointer Value in icevcaddfdirfltr. As mentioned in the commit baeb705fd6a7 “ice: Always check the VF VSI Pointer Values”, we need to perform a null pointer check on the return value of icegetvfvsi before usi...

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: The TOCTOU issue in skisreadable has been fixed. sk-skprot-sockisreadable is a valid function pointer when sk resides in a sockmap. After the last skpsockput call which usually occurs when a socket is removed from the sockma...

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: Tracing: Fixed a race condition in kprobe initialization that could lead to NULL pointer dereferencing. There is a critical race condition in kprobe initialization that can result in NULL pointer dereferencing and cause the...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: net: bridge: Fixed the issue of null pointer dereference in the vlan tunnel’s destination pointer. This patch addresses the issue where the tunneldst pointer was dereferenced without proper safeguards, due to lockless access in t...