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, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fixed a potential null dereference in dmresume Why Fixed 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 t...

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 5.15

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

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

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfttproxy: restrict to prerouting hook TPROXY is only allowed during prerouting, but nfttproxy does not check this. This fix resolves a crash null dereference that occurs when using tproxy from, for example, the output...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: HID: magicmouse: fix NULL dereferencing on disconnection Commit 9d7b18668956 “HID: magicmouse: add support for Apple Magic Trackpad 2” added a sanity check for an Apple trackpad. If the check fails, it returns success instead of...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: NFS: Fixed a potential NULL dereference in nfsgetclient. None of the callers is expected to receive a NULL return value from nfsgetclient. Therefore, this code will result in an Oops error. It’s better to return an error pointer....

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bonding: Fixed a NULL dereference of the struct bonding.rrtxcounter member. This issue occurs because if a bond is created with an initial mode != zero Round Robin, the memory required for the counter is never allocated. When...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/msm/mdp5: The return error code in mdp5piperelease occurs when a deadlock is detected. mdp5getglobalstate runs the risk of encountering an -EDEADLK error when acquiring the modeset lock. Currently, mdp5piperelease does not...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fixed a NULL dereference bug. The issue arises when this function is called from ntfsloadattrlist. The value of “size” is calculated as le32tocpuattr-res.datasize. On 64-bit systems, this does not cause an overflow, but...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: Broadcom – bcm4908enet: Updates TX statistics after actual transmission. Queuing packets does not guarantee their transmission. Updates TX statistics after the hardware confirms that it is consuming the submitted data. This...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: virtio-gpu: A missing check was fixed to avoid NULL dereferencing. cacheent could potentially be set to NULL inside virtiogpucmdgetcapset, which could lead to a NULL dereferencing due to its recent use i.e., ptr =...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net/smc: fixed NULL dereferencing and use-after-free in smctcpsynrecvsock. Syzkaller reported a panic in smctcpsynrecvsock. The smctcpsynrecvsock function is called in the TCP receive path softirq via icskafops-synrecvsock on...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: A panic occurs when an IPv4 route references a loopback IPv6 nexthop. When a standalone IPv6 nexthop object is created with a loopback device e.g., “ip -6 nexthop add id 100 dev lo”, the fib6nhinit function misclassifi...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nfc: pn533: Allocate the receive skb before consuming bytes. The pn532receivebuf function reports the number of bytes accepted to the serdev core. The current code consumes bytes into the recvskb, and may have already passed a...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: mmc: vub300 – fixed NULL dereferencing during disconnection. Be sure to unregister the controller before releasing the reference to the driver data during disconnection, to avoid NULL pointer dereferences or use-after-free...

Astra Linux – Vulnerability in TIF format

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 – Vulnerabilities in Linux 5.10, Linux 5.15

A flaw was discovered in the Linux kernel’s Layer 2 Tunneling Protocol L2TP. Clearing the skuserdata can result in a race condition and NULL pointer dereferencing. A local user could exploit this flaw to potentially crash the system, causing a denial of service...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: md: Do not set mddev’s private field to NULL in raid0 with pers-free. In a normal stop process, the following sequence of operations occurs: domdstop | mdstop pers-free; mddev-private = NULL | mdfree free mddev The mdstop functio...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: pnode: terminate at peers of source The propagatemnt function handles mount propagation when creating mounts and propagates the source mount tree @sourcemnt to all applicable nodes of the destination propagation mount tree, heade...