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. A security vulnerability exists in the Linux kernel that stems from perf not using RCU protection for context iteration, which could lead to data contention...

Bluetooth: hci_event: Fix using rcu_read_(un)lock while iterating

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CVE-2024-58062

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: avoid NULL pointer dereference When iterating over the links of a vif, we need to make sure that the pointer is valid in other words - that the link exists before dereferncing it. Use foreachvifactivelink that...

SUSE CVE-2025-21745

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Fix class @blockclass's subsystem refcount leakage blkcgfillrootiostats iterates over @blockclass's devices by classdeviterinit|next, but does not end iterating with classdeviterexit, so causes the class's subsystem...

DEBIAN-CVE-2025-21745

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Fix class @blockclass's subsystem refcount leakage blkcgfillrootiostats iterates over @blockclass's devices by classdeviterinit|next, but does not end iterating with classdeviterexit, so causes the class's subsystem...

DEBIAN-CVE-2024-57991

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: chan: fix soft lockup in rtw89entityrecalcmgntroles During rtw89entityrecalcmgntroles, there is a normalizing process which will re-order the list if an entry with target pattern is found. And once one is found, shou...

UBUNTU-CVE-2024-57991

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: chan: fix soft lockup in rtw89entityrecalcmgntroles During rtw89entityrecalcmgntroles, there is a normalizing process which will re-order the list if an entry with target pattern is found. And once one is found, shou...

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. A security vulnerability exists in Linux kernel that stems from not properly ending device iterations in blk-cgroup, resulting in a subsystem reference count leak...

DEBIAN-CVE-2022-49393

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: fix list iterator in fastrpcreqmemunmapimpl This is another instance of incorrect use of list iterator and checking it for NULL. The list iterator value 'map' will always be set and non-NULL by listforeachentry, so...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/xen-netback: This issue prevents a Use-after-Free UAF condition in xenvifflushhash. During the listforeachentryrcu iteration, when calling xenvifFlushHash, kfreercu does not exist within the rcu read critical section...

UBUNTU-CVE-2024-57881

In the Linux kernel, the following vulnerability has been resolved: mm/pagealloc: don't call pfntopage on possibly non-existent PFN in splitlargebuddy In splitlargebuddy, we might call pfntopage on a PFN that might not exist. In corner cases, such as when freeing the highest pageblock in the last...

SUSE CVE-2024-56654

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: Fix using rcureadunlock while iterating The usage of rcureadunlock while inside listforeachentryrcu is not safe since for the most part entries fetched this way shall be treated as rcudereference: Note that t...

DEBIAN-CVE-2024-56720

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Several fixes to bpfmsgpopdata Several fixes to bpfmsgpopdata, 1. In skmsgshiftleft, we should putpage 2. if len == 0, return early is better 3. pop the entire skmsg last == msg-sg.size should be supported 4. Fix fo...

AZL-55259 CVE-2024-56720 affecting package kernel for versions less than 6.6.64.2-1

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Several fixes to bpfmsgpopdata Several fixes to bpfmsgpopdata, 1. In skmsgshiftleft, we should putpage 2. if len == 0, return early is better 3. pop the entire skmsg last == msg-sg.size should be supported 4. Fix fo...

UBUNTU-CVE-2024-56721

In the Linux kernel, the following vulnerability has been resolved: x86/CPU/AMD: Terminate the erratum1386microcode array The erratum1386microcode array requires an empty entry at the end. Otherwise x86matchcpuwithstepping will continue iterate the array after it ended. Add an empty entry to...

CVE-2024-56721 x86/CPU/AMD: Terminate the erratum_1386_microcode array

In the Linux kernel, the following vulnerability has been resolved: x86/CPU/AMD: Terminate the erratum1386microcode array The erratum1386microcode array requires an empty entry at the end. Otherwise x86matchcpuwithstepping will continue iterate the array after it ended. Add an empty entry to...

SUSE CVE-2024-53170

In the Linux kernel, the following vulnerability has been resolved: block: fix uaf for flush rq while iterating tags blkmqclearflushrqmapping is not called during scsi probe, by checking blkqueueinitdone. However, QUEUEFLAGINITDONE is cleared in delgendisk by commit aec89dc5d421 "block: keep...

AZL-54910 CVE-2024-56654 affecting package kernel for versions less than 6.6.76.1-1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: Fix using rcureadunlock while iterating The usage of rcureadunlock while inside listforeachentryrcu is not safe since for the most part entries fetched this way shall be treated as rcudereference: Note that t...

UBUNTU-CVE-2024-56555

In the Linux kernel, the following vulnerability has been resolved: binder: fix OOB in binderaddfreezework In binderaddfreezework we iterate over the proc-nodes with the proc-innerlock held. However, this lock is temporarily dropped to acquire the node-lock first lock nesting order. This can race...

CVE-2024-56654 Bluetooth: hci_event: Fix using rcu_read_(un)lock while iterating

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: Fix using rcureadunlock while iterating The usage of rcureadunlock while inside listforeachentryrcu is not safe since for the most part entries fetched this way shall be treated as rcudereference: Note that t...