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/client: fixed the null pointer dereference in drcmclientmodesetprobe. In drcmclientmodesetprobe, the return value of drmmodeduplicate is assigned to modeset-mode, which may lead to a NULL pointer dereference if drmmodeduplica...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Null checks for the ‘stream’ and ‘plane’ variables were added before dereferencing them. This commit adds null checks for the ‘stream’ and ‘plane’ variables in the dcn30applyidlepoweroptimizations function. These...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevented possible UAF in ip6xmit If skbexpandhead returns NULL, the skb has been freed, and the associated dst/idev may also have been freed. We must use rcureadlock to prevent possible UAF...

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

In the Linux kernel, the following vulnerability has been resolved: netem: fixed the return value if duplicate enqueue fails. There is a bug in netemenqueue, introduced by the commit 5845f706388a “net: netem: fix skb length BUGON in skbtosgvec”, which can lead to a use-after-free. This commit...

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

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: initialize extack before use. This fix addresses the issue of missing initialization of extack in flow offload...

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

In the Linux kernel, the following vulnerabilities have been resolved: drm/amd/display: Skip wbsclsetscalerfilter if the filter is null. Callers can pass null as the filter value e.g., from the function wbsclgetfiltercoeffs16p, and a null check has been added to ensure that this does not occur...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/amdgpu: Check the tbo resource pointer. Validate the tbo resource pointer; skip if it is NULL...

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

In the Linux kernel, the following vulnerability has been resolved: Smack: TCP/IPv4; fixed incorrect labeling. Currently, Smack follows the labeling scheme for incoming TCP/IPv4 connections. When a connection labeled “foo” connects to a connection labeled “bar” via TCP/IPv4, “foo” always appears ...

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

In the Linux kernel, the following vulnerabilities have been resolved: Block, bfq: Fixed a potential UAF issue for bfqq-bic when using the merge chain. 1. Initial state: Three tasks: - Process 1 Process 2 Process 3 - BIC1 BIC2 BIC3 | Λ | Λ | Λ | | | | | V | V | V bfqq1 bfqq2 bfqq3 Process...

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

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Fixed a slab-use-after-free in ext4splitextentat. We encountered the following use-after-free issues: BUG: KASAN: slab-use-after-free in ext4splitextentat+0xba8/0xcc0 Read of size 2 at addr ffff88810548ed08 by task...

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

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: mwifiex: Fixed a warning regarding memcpy operations that span entire fields in mwifiexcmd80211scanext. This fix involves replacing a one-element array with a flexible-array member in the struct hostcmdds80211scanext...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fixed the issue where a memory leak occurred after the session was logged off. There is an issue with the interaction between SMB2 session logging out and SMB2 session setup. This issue causes a memory leak after the sessi...

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

In the Linux kernel, the following vulnerabilities have been resolved: arm64: probes: Removed the broken LDR literal uprobe support. The simulateldrliteral and simulateldrswliteral functions are unsafe to use for uprobes. Both functions were originally designed for use with kprobes, and accessed...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fixed the initialization of the command bitmask. The command bitmask contains a dedicated bit for the MANAGEPAGES command. This bit is not initialized during the initialization of the command bitmask; it is only...

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

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: bnep: fixed wild-memory-access in protounregister The issues are as follows: KASAN: possible wild-memory-access within the range 0xdead...108-0xdead...10f CPU: 3 UID: 0 PID: 2805 Comm: rmmod Tainted: G W RIP:...

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

In the Linux kernel, the following vulnerabilities have been resolved: nfs: Fixed the KMSAN warning in decodegetfattr attrs. Fixed the following KMSAN warnings: CPU: 1 UID: 0 PID: 7651 Comm: cp Tainted: G B Tainted: B=BADPAGE Hardware name: QEMU Standard PC Q35 + ICH9, 2009...

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: vfio/pci: Properly hiding the first-in-list PCIe extended capabilities There are cases where a PCIe extended capability should be hidden from the user. For example, an unknown capability i.e., a capability with an ID greater than...

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: NFSD: Prevent NULL dereference in nfsd4processcbupdate @ses is initialized to NULL. If nfsd4findbackchannel finds no available backchannel session, setupcallbackclient will attempt to dereference @ses, resulting in a segmentation...

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: nfsd: Ensure that exp remains active before calling svcexportshow. The function eshow was called with protection from RCU. This only ensures that exp will not be freed. As a result, the reference count of exp can drop to zero,...

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: ftrace: A regression was fixed related to the module command in stacktracefilter. When executing the following command: echo "write:mod:ext3" /sys/kernel/tracing/stacktracefilter The current mod command causes a null pointer...