kernel: dm cache policy smq: fix missing locks in invalidating cache blocks

A flaw was found in the Linux kernel's device-mapper dm cache policy, specifically within the smq module. In passthrough mode, the invalidatemapping operation lacks proper locking, allowing for concurrent access. This can lead to data races, resulting in data corruption or use-after-free issues,...

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

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fixed possible data races in gfs2showoptions Some fields such as gtlogdsecs of the struct gfs2tune are accessed without holding the lock gtspin in gfs2showoptions: val = sdp-sdtune.gtlogdsecs; if val != 30 seqprintfs,...

Rocky Linux 8 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-abi-stablelists / etc Multiple Vulnerabilities (crlsa-2026_0444)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20260444 advisory. kernel: media: rc: fix races with imondisconnect CVE-2025-39993 kernel: sctp: avoid NULL dereference when chunk data buffer is missing CVE-2025-40240 kerne...

EulerOS Virtualization 2.12.1 : kernel (EulerOS-SA-2026-3590)

According to the versions of the kernel packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : dlm: validate length in dlmsearchrsbtreeCVE-2026-43125 net: annotate data-races around sk-skdataready,writespaceCVE-2026-23302...

CVE-2026-90302: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ocfs2: synchronize heartbeat callbacks with o2net teardown Patch series "ocfs2: harden heartbeat teardown races". This series fixes two OCFS2 heartbeat/o2net teardown races found by KASAN. This patch of 2: Heartbeat callbacks sta...

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

In the Linux kernel, the following vulnerabilities have been resolved: HID: logitech-hidpp: Fixed a kernel crash when the USB connection is disconnected. The function hidppconnectevent experiences four times-of-check versus-time-of-use TOCTOU races when it races with itself. hidppconnectevent...

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 sysctltcprecovery. When reading sysctltcprecovery, 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 vulnerabilities have been resolved: TCP: Fixed issues related to data races around sysctltcpmtuprobing. When reading sysctltcpmtuprobing, it can be changed concurrently. Therefore, we need to add READONCE to its readers...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: Release the flow rule object from the commit path. There is no need to delay this process until the commit phase, as no packets traverse this object at all. This object is only accessed from the control plane...

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 sysctltcpfastopenblackholetimeout. When reading sysctltcpfastopenblackholetimeout, it can be changed concurrently. Therefore, we need to add READONCE to its readers...

Astra Linux – Vulnerability in RustC

crossbeam-utils provides atomic operations, synchronization primitives, scoped threads, and other utilities for concurrent programming in Rust. Prior to version 0.8.7, crossbeam-utils incorrectly assumed that the alignment of i,u64 was always the same as AtomicI,U64. However, the alignment of i,u...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ip: Fixed data races related to sysctlipfwdusepmtu. When reading from sysctlipfwdusepmtu, it can be changed concurrently. Therefore, we need to add a READONCE call to its readers...

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 sysctltcpminsndmss. When reading sysctltcpminsndmss, it can be changed concurrently. Therefore, we need to add READONCE to its readers...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the file drivers/media/dvb-core/dmxdev.c within the Linux kernel, up to version 5.19.10, a use-after-free condition has occurred due to race conditions related to reference counts, affecting the functions dvbdemuxopen and dvbdmxdevrelease...

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

In the Linux kernel, the following vulnerabilities have been resolved: net: Fixed issues related to data races around sk-skforwardalloc. Syzkaller reported this warning: ------------------ cut here ------------------ WARNING: CPU: 0 PID: 16 In: net/ipv4/afinet.c:156 Function:...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipv6/sit: Use DEVSTATSINC to avoid data races. syzbot/KCSAN reported that multiple CPUs are updating dev-stats.txerror concurrently. This occurs because sit tunnels use NETIFFLLTX, which means their ndostartxmit function is not...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: sysctl: Data race issues in procdouintvecminmax have been fixed. A sysctl variable is accessed concurrently, and there is always a risk of data races. Therefore, both readers and writers require some basic protection to avoid dat...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipv4: Fixed data races related to sysctlfibmultipathhashpolicy. When reading sysctlfibmultipathhashpolicy, it can be changed concurrently. Therefore, we need to add READONCE to its readers...

Astra Linux – Vulnerability in Linux 5.10, Linux

Several Linux PV device frontends are vulnerable to attacks by backends that use grant table interfaces to remove access rights from resources. This can lead to potential data leaks, data corruption by malicious backends, and denial of service attacks. The backends that use these interfaces may n...

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: i40e: Fixed the issue where “vf” might be used without initialization in this function. To address the regression introduced by commit 52424f974bc5, which causes servers to hang under very difficult-to-reproduce conditions due...