Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: scsi: qla2xxx: Complete command early within lock A crash was observed while performing NPIV and FW reset. BUG: Kernel NULL pointer dereference, address: 000000000000001c PF: Supervisor read access in kernel mode PF:...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: rds: Do not hold the sock lock when canceling work from rdstcpresetcallbacks. The syzbot is reporting a lockdep warning at rdstcpresetcallbacks 1. The related commit is ac3615e7f3cffe2a “RDS: TCP: Reduce code duplication in...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipv4: iptunnel: A suspicious RCU usage warning was fixed in iptunnelinitflow. There are code paths where the function is called without holding the RCU read lock, resulting in a suspicious RCU usage warning 1. The issue was fixed...

EUVD-2026-55576

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: hold hdev-lock for hciconnparams lookups hciconnparamslookup requires hdev-lock be held, otherwise the list iteration or param access is not safe. Hold hdev-lock for params lookups in hcisync...

CVE-2026-64514 userfaultfd: gate must_wait writability check on pte_present()

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: gate mustwait writability check on ptepresent userfaultfdmustwait and userfaultfdhugemustwait read the PTE without taking the page table lock and then apply ptewrite / hugeptewrite to it. Those accessors decode bits...

PT-2026-52939

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the enetc network driver regarding NTMP DMA Direct Memory Access operations. If the netc xmit ntmp cmd function times out and returns an error, the pendi...

CVE-2026-46168

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix scheduling with atomic in timestamp sockopt Using locksockfast atomic context around socksettimestamp and socksettimestamping is unsafe, as both helpers can sleep. Replace locksockfast with sleepable locksock/releaseso...

CVE-2026-46168

The CVE-2026-46168 issue affects the Linux kernel's multipath TCP (mptcp) scheduling around timestamp sockopts. The root cause is using lock_sock_fast() (atomic context) around sock_set_timestamp() and sock_set_timestamping(), which can sleep and cause atomic-context issues. The published fixes r...

UBUNTU-CVE-2026-43382

In the Linux kernel, the following vulnerability has been resolved: batman-adv: Avoid double-rtnllock ELP metric worker batadvvelpgetthroughput might be called when the RTNL lock is already held. This could be problematic when the work queue item is cancelled via canceldelayedworksync in...

UBUNTU-CVE-2026-43305

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix mismatched unlock for DMUB HW lock in HWSS fast path Why The evaluation for whether we need to use the DMUB HW lock isn't the same as whether we need to unlock which results in a hang when the fast path is us...

CVE-2026-43305

CVE-2026-43305 details a Linux kernel DRM AMD display issue where the DMUB HW lock unlock path in the HWSS fast path could hang due to a mismatch between evaluating the need for the lock and unlocking. The fix introduces a flag to track whether the lock should be used and applies that flag to gov...

EUVD-2023-60303

In the Linux kernel, the following vulnerability has been resolved: gtp: Fix use-after-free in gtpencapdestroy. syzkaller reported use-after-free in gtpencapdestroy. 0 It shows the same process freed sk and touched it illegally. Commit e198987e7dd7 "gtp: fix suspicious RCU usage" added locksock a...

CVE-2023-53760 scsi: ufs: core: mcq: Fix &hwq->cq_lock deadlock issue

In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: mcq: Fix &hwq-cqlock deadlock issue When ufshcderrhandler is executed, CQ event interrupt can enter waiting for the same lock. This can happen in ufshcdhandlemcqcqevents and also in ufsmtkmcqintr. The following...

EUVD-2022-55056

In the Linux kernel, the following vulnerability has been resolved: f2fs: use spinlock to avoid hang 14696.634553 task:cat state:D stack: 0 pid:1613738 ppid:1613735 flags:0x00000004 14696.638285 Call Trace: 14696.639038 14696.640032 schedule+0x302/0x930 14696.640969 schedule+0x58/0xd0 14696.64179...

CVE-2023-53622 gfs2: Fix possible data races in gfs2_show_options()

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix 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,...

DEBIAN-CVE-2025-1713

When setting up interrupt remapping for legacy PCI-X devices, including PCI-X bridges, a lookup of the upstream bridge is required. This lookup, itself involving acquiring of a lock, is done in a context where acquiring that lock is unsafe. This can lead to a deadlock...

CVE-2025-38252 cxl/ras: Fix CPER handler device confusion

In the Linux kernel, the following vulnerability has been resolved: cxl/ras: Fix CPER handler device confusion By inspection, cxlcperhandleproterr is making a series of fragile assumptions that can lead to crashes: 1/ It assumes that endpoints identified in the record are a CXL-type-3 device,...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. Linux kernel suffers from a security vulnerability that stems from improper use of locks, which could lead to a race condition...

UBUNTU-CVE-2025-22098

In the Linux kernel, the following vulnerability has been resolved: drm: zynqmpdp: Fix a deadlock in zynqmpdpignorehpdset Instead of attempting the same mutex twice, lock and unlock it. This bug has been detected by the Clang thread-safety analyzer...

CVE-2025-21849

In the Linux kernel, the following vulnerability has been resolved: drm/i915/gt: Use spinlockirqsave in interruptible context spinlock/unlock functions used in interrupt contexts could result in a deadlock, as seen in GitLab issue 13399, which occurs when interrupt comes in while holding a lock...