Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: md: fixed a deadlock between mddevsuspend and flush Bio A deadlock occurs when mddev is suspended while some of the flush Bio operations are still in progress. This is a complex issue. T1: The first flush occurs at the end of...

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: netfilter: flowtable: validate vlan header Ensure there is sufficient room to access the protocol field of the VLAN header; validate it once before the flowtable lookup. ===================================================== BUG:...

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 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/amdgpu: the warning regarding dereferencing obj for nbiov74. If rasmanager encounters obj being null, do not print the NBIO error data...

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 – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/amd/display: Skip Recompute DSC Params if no Stream on Link Why A NULL pointer dereference occurred during MST and DSC setup. BUG: NULL pointer dereference in the kernel, address: 0000000000000008 PGD 0 P4D 0 Oops: 0000 1...

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 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: TCP: Fixed corruption in MPTCP’s DSS due to large PMTU transmissions. Syzkaller was able to trigger DSS corruption: - TCP: requestsocksubflowv4: Possible SYN flooding on port :::20002. Sending cookies. ------------ Cut here...

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:...