Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: raw: Fixed a data race around sysctlrawl3mdevaccept. When reading sysctlrawl3mdevaccept, it can be changed concurrently. Therefore, we need to add READONCE to its reader function...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: TCP: Fixed a data race around sysctltcpearlyretrans. When reading sysctltcpearlyretrans, it can be changed concurrently. Therefore, we need to add READONCE to its reader function...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: TCP: Fixed issues related to data races around sysctltcpmaxreordering. When modifying sysctltcpmaxreordering, it’s possible for multiple changes to occur simultaneously. Therefore, we need to add READONCE to its readers...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: tunnels: Annotations were added for lockless accesses to dev-neededheadroom. IP tunnels can apparently update dev-neededheadroom during their xmit path. This patch addresses issues related to three types of tunnels xmit, ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ip: Fixed a data race related to the sysctlipautobindreuse function. When reading sysctlipautobindreuse, it can be changed concurrently. Therefore, we need to add READONCE to its reader function...

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

In the Linux kernel, the following vulnerabilities have been resolved: Network: Fixed the issue where data was torn apart when accessing sk-skstamp in sockrecvcmsgs. KCSAN identified a data race in sockrecvcmsgs, where the read access to sk-skstamp requires using READONCE. Bug: KCSAN: Data race i...

Astra Linux – Vulnerability in ffmpeg5

FFmpeg n7.0 has a race condition vulnerability in the VP9 decoder. This could lead to a data race if video encoding parameters are being exported, as the side data would be attached in the decoder thread while being read in the output thread...

Astra Linux – Vulnerability in Linux, Linux 5.10

A use-after-free flaw was discovered in ncirequest in net/nfc/nci/core.c within the NFC Controller Interface NCI in the Linux kernel. This flaw could allow a local attacker with user privileges to cause a data race issue while the device is being removed, leading to a privilege escalation...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: TCP: Fixed issues related to data races around sysctltcpl3mdevaccept. When reading sysctltcpl3mdevaccept, it can be changed concurrently. Therefore, we need to add READONCE to its readers...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ipv4: Fixed a data race around the sysctlfibsyncmem function. When reading sysctlfibsyncmem, it can be changed concurrently. Therefore, we need to add READONCE to avoid the data race...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: kcm: An annotation was added for the data-race around kcm-rxwait. kcm-rxpsock can be accessed without a read lock in kcmrfree. The read and write operations should be annotated accordingly. syzbot reported: BUG: KCSAN: A...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In the net subsystem, the function skbAppendPageFrags should no longer check the pfmemalloc status. The skbAppendPageFrags function is currently used by the afunix and udp.sendpage implementations. In commit 326140063946 “TCP: TX...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: kcm: An annotate data-race around kcm-rxpsock has been fixed. kcm-rxpsock can now be read without a lock in kcmrfree. The read and write operations have been adjusted accordingly. The same approach is used for kcm-rxwait in th...

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: ALSA: hda: fixed a possible null-pointer dereference due to a data race in sndhdacregmapsync The variable codec-regmap is often protected by the lock codec-regmaplock when it is accessed. However, it is accessed without holding t...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ip: Fixed data races related to sysctlipprotsock. sysctlipprotsock is accessed concurrently, and there is always a chance of data races occurring. Therefore, both readers and writers require some basic protection to avoid...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: dmaengine: sf-pdma: Added multithread support for a DMA channel. When we obtain a DMA channel and attempt to use it across multiple threads, it can lead to errors and cause the system to hang. bash % echo 64...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: netlink: Annotate lockless accesses to nlk-maxrecvmsglen. syzbot reported a data race in netlinkrecvmsg. Indeed, netlinkrecvmsg can be executed concurrently, and netlinkdump also requires protection. 1 Bug: KCSAN: Data race in...

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

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftables: Fixed a potential data race in nftobjtypeget. The function nftunregisterobj can occur concurrently with nftobjtypeget. There is no protection when iterating over the nftablesobjects list in nftobjtypeget...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: TCP: Fixed issues related to data races around sysctltcpslowstartafteridle. When reading sysctltcpslowstartafteridle, it can be changed concurrently. Therefore, we need to add READONCE to its readers...

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: netrom: Fixed data races related to sysctlnetbusyread. We need to protect the reader who is reading the sysctl value, as this value can be changed concurrently...