CVE-2025-21724

CVE-2025-21724: In the Linux kernel’s iommufd/iova_bitmap, UBSAN shift-out-of-bounds occurred in iova_bitmap_offset_to_index() when shifting the constant 1 by bitmap->mapped.pgshift (unsigned long). If pgshift > 31, the 32-bit int shift overflowed, causing undefined behavior. The fix promot...

CVE-2025-21724 iommufd/iova_bitmap: Fix shift-out-of-bounds in iova_bitmap_offset_to_index()

In the Linux kernel, the following vulnerability has been resolved: iommufd/iovabitmap: Fix shift-out-of-bounds in iovabitmapoffsettoindex Resolve a UBSAN shift-out-of-bounds issue in iovabitmapoffsettoindex where shifting the constant "1" of type int by bitmap-mapped.pgshift an unsigned long val...

CVE-2025-21720 xfrm: delete intermediate secpath entry in packet offload mode

In the Linux kernel, the following vulnerability has been resolved: xfrm: delete intermediate secpath entry in packet offload mode Packets handled by hardware have added secpath as a way to inform XFRM core code that this path was already handled. That secpath is not needed at all after policy is...

CVE-2025-21721 nilfs2: handle errors that nilfs_prepare_chunk() may return

In the Linux kernel, the following vulnerability has been resolved: nilfs2: handle errors that nilfspreparechunk may return Patch series "nilfs2: fix issues with rename operations". This series fixes BUGON check failures reported by syzbot around rename operations, and a minor behavioral issue...

CVE-2025-21719 ipmr: do not call mr_mfc_uses_dev() for unres entries

In the Linux kernel, the following vulnerability has been resolved: ipmr: do not call mrmfcusesdev for unres entries syzbot found that calling mrmfcusesdev for unres entries would crash 1, because c-mfcun.res.minvif / c-mfcun.res.maxvif alias to "struct skbuffhead unresolved", which contain two...

CVE-2025-21718

In the Linux kernel, the following vulnerability has been resolved: net: rose: fix timer races against user threads Rose timers only acquire the socket spinlock, without checking if the socket is owned by one user thread. Add a check and rearm the timers if needed. BUG: KASAN: slab-use-after-free...

CVE-2025-21711 net/rose: prevent integer overflows in rose_setsockopt()

In the Linux kernel, the following vulnerability has been resolved: net/rose: prevent integer overflows in rosesetsockopt In case of possible unpredictably large arguments passed to rosesetsockopt and multiplied by extra values on top of that, integer overflows may occur. Do the safest minimum an...

CVE-2024-57996

The CVE-2024-57996 issue affects the Linux kernel’s net_sched sch_sfq code, where a limit of 1 packet is mishandled, causing an array-index-out-of-bounds. The vulnerability can lead to a UBSAN crash in sfq_link/sfq_dequeue path when qlen handling interacts with SFQ limits, notably under scenarios...

CVE-2024-57986

CVE-2024-57986 affects the Linux kernel HID core: Resolution Multiplier handling assumes valid Logical Collections and may set multiplier_collection to NULL, enabling a potential flaw. The issue was only partially fixed previously; the remaining case (none of the found collections being a Logical...

CVE-2024-57986 HID: core: Fix assumption that Resolution Multipliers must be in Logical Collections

In the Linux kernel, the following vulnerability has been resolved: HID: core: Fix assumption that Resolution Multipliers must be in Logical Collections A report in 2019 by the syzbot fuzzer was found to be connected to two errors in the HID core associated with Resolution Multipliers. One of the...

CVE-2024-57986 HID: core: Fix assumption that Resolution Multipliers must be in Logical Collections

In the Linux kernel, the following vulnerability has been resolved: HID: core: Fix assumption that Resolution Multipliers must be in Logical Collections A report in 2019 by the syzbot fuzzer was found to be connected to two errors in the HID core associated with Resolution Multipliers. One of the...

CVE-2024-57986

In the Linux kernel, the following vulnerability has been resolved: HID: core: Fix assumption that Resolution Multipliers must be in Logical Collections A report in 2019 by the syzbot fuzzer was found to be connected to two errors in the HID core associated with Resolution Multipliers. One of the...

CVE-2024-57985

CVE-2024-57985: Linux kernel SCM driver (qcom_scm) probe-failure cleanup fixed. If the SCM driver probe fails, the global __scm must not remain assigned, else users may dereference __scm_smc_call() or access __scm->mempool. The fix ensures __scm is cleared on probe failure, addressing a theore...

CVE-2024-57985 firmware: qcom: scm: Cleanup global '__scm' on probe failures

In the Linux kernel, the following vulnerability has been resolved: firmware: qcom: scm: Cleanup global 'scm' on probe failures If SCM driver fails the probe, it should not leave global 'scm' variable assigned, because external users of this driver will assume the probe finished successfully. For...

CVE-2024-57977

CVE-2024-57977 is a Linux kernel vulnerability in memcg where the OOM task traversal could cause a soft lockup when thousands of processes reside in the OOM cgroup. The issue arises from scanning OOM tasks for each memory pressure event, delaying the watchdog handling. The documented fix adds a r...

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 the HID: core module incorrectly assuming that resolution multipliers must be in a logical set...

CVE-2022-49079

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: traverse devices under chunkmutex in btrfscanactivatezone btrfscanactivatezone can be called with the devicelistmutex already held, which will lead to a deadlock: insertdevextents // Takes devicelistmutex -...

CVE-2022-49708

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon ext4mbuseinodepa Hulk Robot reported a BUGON: ================================================================== kernel BUG at fs/ext4/mballoc.c:3211! ... RIP: 0010:ext4mbmarkdiskspaceused.cold+0x85/0x136f ... Cal...

CVE-2022-49702

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix hang during unmount when block group reclaim task is running When we start an unmount, at closectree, if we have the reclaim task running and in the middle of a data block group relocation, we can trigger a deadlock wh...

CVE-2022-49698

In the Linux kernel, the following vulnerability has been resolved: netfilter: use getrandomu32 instead of prandom bh might occur while updating per-cpu rndstate from user context, ie. localout path. BUG: using smpprocessorid in preemptible 00000000 code: nginx/2725 caller is...