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 a failure to free memory allocated for calculating replay slots in the ocfs2mountvolume function, which coul...

SUSE CVE-2025-68219

In the Linux kernel, the following vulnerability has been resolved: cifs: fix memory leak in smb3fscontextparseparam error path Add proper cleanup of ctx-source and fc-source to the cifsparsemounterr error handler. This ensures that memory allocated for the source strings is correctly freed on al...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP7 kernel was updated to fix various security issues The following security issues were fixed: CVE-2022-50253: bpf: make sure skb-len != 0 when redirecting to a tunneling device bsc1249912. CVE-2023-53676: scsi: target: iscsi: Fix buffer overflow in...

CVE-2022-50619

CVE-2022-50619 is a memory‑leak issue in the Linux kernel’s drm/amdkfd: kfd_mem_dmamap_userptr() path (SG table memory leak when userptr pages differ from SG BO). Public updates reference SUSE advisory SUSE-SU-2026:0317-1 for SLES15 SP5 kernel, which lists CVE-2022-50619 among fixed issues in the...

s390/ctcm: Fix double-kfree

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kernel: mm: kmem: fix a NULL pointer dereference in obj_stock_flush_required()

A null pointer dereference exists in the linux kernel such that in objstockflushrequired:stock-cachedobjcg can be reset between the check and dereference, resulting in damage to the availability of the system...

SUSE CVE-2025-40040

In the Linux kernel, the following vulnerability has been resolved: mm/ksm: fix flag-dropping behavior in ksmmadvise syzkaller discovered the following crash: kernel BUG 44.607039 ------------ cut here ------------ 44.607422 kernel BUG at mm/userfaultfd.c:2067! 44.608148 Oops: invalid opcode: 000...

CVE-2025-40040

In the Linux kernel, the following vulnerability has been resolved: mm/ksm: fix flag-dropping behavior in ksmmadvise syzkaller discovered the following crash: kernel BUG 44.607039 ------------ cut here ------------ 44.607422 kernel BUG at mm/userfaultfd.c:2067! 44.608148 Oops: invalid opcode: 000...

CVE-2025-40040 mm/ksm: fix flag-dropping behavior in ksm_madvise

In the Linux kernel, the following vulnerability has been resolved: mm/ksm: fix flag-dropping behavior in ksmmadvise syzkaller discovered the following crash: kernel BUG 44.607039 ------------ cut here ------------ 44.607422 kernel BUG at mm/userfaultfd.c:2067! 44.608148 Oops: invalid opcode: 000...

Linux Distros Unpatched Vulnerability : CVE-2023-53614

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: mm/ksm: fix race with VMA iteration and mmstruct teardown exitmmap will tear down the VMAs a...

CVE-2023-53614

Summary: CVE-2023-53614 affects the Linux kernel in the mm/ksm path, where exit_mmap() may teardown VMAs and the maple tree while mmap_lock is held, risking a destroyed maple tree being dereferenced. The fix ensures maple tree validity by checking ksm_test_exit() after obtaining mmap_lock in read...

EUVD-2022-55219

Malicious code in bioql PyPI...

CVE-2023-53401 mm: kmem: fix a NULL pointer dereference in obj_stock_flush_required()

In the Linux kernel, the following vulnerability has been resolved: mm: kmem: fix a NULL pointer dereference in objstockflushrequired KCSAN found an issue in objstockflushrequired: stock-cachedobjcg can be reset between the check and dereference:...

CVE-2022-50396 net: sched: fix memory leak in tcindex_set_parms

In the Linux kernel, the following vulnerability has been resolved: net: sched: fix memory leak in tcindexsetparms Syzkaller reports a memory leak as follows: ==================================== BUG: memory leak unreferenced object 0xffff88810c287f00 size 256: comm "syz-executor105", pid 3600,...

CVE-2022-50354

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix kfdprocessdeviceinitvm error handling Should only destroy the ibmem and let process cleanup worker to free the outstanding BOs. Reset the pointer in pdd-qpd structure, to avoid NULL pointer access in process destr...

CVE-2023-53361

CVE-2023-53361 affects the Linux kernel on LoongArch where pmd_leaf() was not defined, causing a panic in ksm06 during LTP tests (Huge page pmd to pte_present). The issue is resolved by adding LoongArch-specific p?d_leaf() definitions (as per commits referenced in the CVE description). The connec...

PT-2025-37612

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A use-after-free UAF issue was identified in the ip6mr sk done function within the Linux kernel. This occurs when addrconf init net fails, leading to the release of a pointer devconf...

UBUNTU-CVE-2025-39754

In the Linux kernel, the following vulnerability has been resolved: mm/smaps: fix race between smapshugetlbrange and migration smapshugetlbrange handles the pte without holdling ptl, and may be concurrenct with migration, leaing to BUGON in pfnswapentrytopage. The race is as follows...

mm/khugepaged: fix ->anon_vma race

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USN-7699-2 linux-hwe-6.14, linux-oem-6.14 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - RISC-V architecture; - x86 architecture; - Buffer Sharing and Synchronization framework; - DM...