Astra Linux – vulnerability in linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in cifsdumpfullkey Skip sessions that are being teared down status == SESEXITING to avoid UAF...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: afpacket: fixed vlangettci vs MSGPEEK The responsible commit forgot to handle the MSGPEEK case, resulting in a crash 1, as detected by syzbot. vlangettci was rewritten so that it does not touch the skb at all, allowing it to b...

Astra Linux – vulnerability in linux-6.1

In the Linux kernel, the following vulnerability has been resolved: drm/dpmst: Fix resetting msg rx state after topology removal If the MST topology is removed during the reception of an MST down reply or MST up request sideband message, the drmdpmsttopologymgr::upreqrecv/downreprecv states could...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: batman-adv: Avoid timing-related checks for WARNON. The soft/batadv interface for a queued OGM can be modified during the period in which the OGM is queued for transmission, as well as when the OGM is actually transmitted by the...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ksmbd: The issue of a null pointer dereference error in generateencryptionkey has been fixed. If a client sends two session setups with KRB5 authentication to ksmbd, a null pointer dereference error in generateencryptionkey can...

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

In the Linux kernel, the following vulnerability has been resolved: icmp6: Fixed the null-ptr-deref of ip6nullentry-rt6iidev in icmp6dev. With some IPv6 Ext Hdr RPL, SRv6, etc., we can send a packet that has the link-local address as src and dst IP, and it will be forwarded to an external IP in t...

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: kcm: Fixed error handling for SOCKDGRAM in kcmsendmsg. Syzkaller identified a memory leak in kcmsendmsg, and the commit c821a88bd720 "kcm: Fix memory leak in the error path of kcmsendmsg" suppressed this issue by updating...

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

In the Linux kernel, the following vulnerabilities have been resolved: drm/amd/display: Check msgid before processing a transaction. WHY & HOW “HDCPMESSAGEIDINVALID -1” is not a valid msgid, nor is it a valid array index. Therefore, it needs to be checked before being used. This fix addresses 4...

Astra Linux – vulnerability in linux, linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix buffer overflow when parsing NFS reparse points ReparseDataLength is the sum of the InodeType size and DataBuffer size. To determine the DataBuffer size, it is necessary to subtract the InodeType size from...

Astra Linux – vulnerability in linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix user-after-free from session log off There is a race condition between smb2 session log off and smb2 session setup. This causes user-after-free from session log off. This add sessionlock when setting SMB2SESSIONEXPIRED...

Astra Linux – vulnerability in linux-6.1

In the Linux kernel, the following vulnerability has been resolved: smb/client: avoid dereferencing rdata=NULL in smb2newreadreq This occurs when the function is called from SMB2read while using rdma and reaches the rdmareadwritethreshold...

Astra Linux – vulnerability in linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: nfsd: Map EBADMSG to nfserrio to avoid warnings Ext4 will throw -EBADMSG through ext4readdir when a checksum error occurs, resulting in the following WARNING. Fix it by mapping EBADMSG to nfserrio. nfsdbufferedreaddir iteratedir ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix oops due to unset link speed It is not guaranteed that NETWORKINTERFACEINFO::LinkSpeed will always be set by the server. Therefore, the client must handle any possible values and prevent such oopses from occurrin...

Astra Linux – vulnerability in linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix type confusion via race condition when using ipcmsgsendrequest req-handle is allocated using ksmbdacquireid&ipcida, based on idaalloc. req-handle from ksmbdipcloginrequest and FSCTLPIPETRANSCEIVE ioctl can be same and ...

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

In the Linux kernel, the following vulnerabilities have been resolved: ppp: Fixed illegal access in pppasyncencode. syzbot reported an issue with pppasyncencode. In this case, pppoesendmsg is called with a zero size. Then, pppasyncencode is called with an empty skb. BUG: KMSAN: Uninit-value in...

Astra Linux – vulnerability in linux-5.15

In the Linux kernel, the following vulnerability has been resolved: ksmbd: call rcubarrier in ksmbdserverexit The race condition issue is triggered by the race between closing a connection and rmmod. In ksmbd, rcubarrier is not called at module unload time; thus, nothing prevents ksmbd from being...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/msm: Fixed the check on the return value of iommumapsgtable, and avoided issuing a WARN message. The commit “iommu: Return the full error code from iommumapsgatomic” changed iommumapsgtable to return an ssizet value, even in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: afunix: Do not use GC if MSGPEEK occurred. Igor Ushakov reported that GC purged the receive queue of a live socket due to a race with MSGPEEK, with a fix provided. This is exactly the same issue that was previously fixed in the...

Astra Linux – Vulnerability in Zabbix

Setting the SMS media allows for setting the GSM modem file. This file is later used as a Linux device. But since everything is a file for Linux, it’s possible to set another file, such as a log file. In this case, Zabbixserver will attempt to communicate with it as a modem. As a result, the log...

Astra Linux – vulnerability in Firefox and Thunderbird

By sending a specially crafted push message, a remote server could have hung the parent process, causing the browser to become unresponsive. This vulnerability affects Firefox 132, Firefox ESR 128.4, Thunderbird 128.4, and Thunderbird 132...