CVE-2023-52935

In the Linux kernel, the following vulnerability has been resolved: mm/khugepaged: fix -anonvma race If an -anonvma is attached to the VMA, collapseandfreepmd requires it to be locked. Page table traversal is allowed under any one of the mmap lock, the anonvma lock if the VMA is associated with a...

CVE-2023-52934

CVE-2023-52934 refers to a Linux kernel MADV_COLLAPSE issue. A change in MADV_COLLAPSE handling of pmd lookups (replacing a !pmd_present check with pmd_none) aims to distinguish none-pmd cases from absent/bad-pmd cases to prevent misclassifying swap or other entries as huge-pmd mappings. The prov...

CVE-2023-52934 mm/MADV_COLLAPSE: catch !none !huge !bad pmd lookups

In the Linux kernel, the following vulnerability has been resolved: mm/MADVCOLLAPSE: catch !none !huge !bad pmd lookups In commit 34488399fa08 "mm/madvise: add file and shmem support to MADVCOLLAPSE" we make the following change to findpmdorthpornone: - if !pmdpresentpmde - return SCANPMDNULL; + ...

CVE-2023-52932 mm/swapfile: add cond_resched() in get_swap_pages()

In the Linux kernel, the following vulnerability has been resolved: mm/swapfile: add condresched in getswappages The softlockup still occurs in getswappages under memory pressure. 64 CPU cores, 64GB memory, and 28 zram devices, the disksize of each zram device is 50MB with same priority as si. Us...

CVE-2023-52928 bpf: Skip invalid kfunc call in backtrack_insn

In the Linux kernel, the following vulnerability has been resolved: bpf: Skip invalid kfunc call in backtrackinsn The verifier skips invalid kfunc call in checkkfunccall, which would be captured in fixupkfunccall if such insn is not eliminated by dead code elimination. However, this can lead to t...

CVE-2023-52928

CVE-2023-52928 concerns the Linux kernel’s BPF verifier. According to connected sources, the issue arises from the verifier’s handling of invalid kfunc calls in backtrack_insn, where such an instruction could be captured by fixup_kfunc_call() and, if not eliminated by DCE, trigger a warning in ba...

CVE-2023-52928

In the Linux kernel, the following vulnerability has been resolved: bpf: Skip invalid kfunc call in backtrackinsn The verifier skips invalid kfunc call in checkkfunccall, which would be captured in fixupkfunccall if such insn is not eliminated by dead code elimination. However, this can lead to t...

CVE-2024-12905

An Improper Link Resolution Before File Access "Link Following" and Improper Limitation of a Pathname to a Restricted Directory "Path Traversal". This vulnerability occurs when extracting a maliciously crafted tar file, which can result in unauthorized file writes or overwrites outside the intend...

CVE-2024-12905

An Improper Link Resolution Before File Access "Link Following" and Improper Limitation of a Pathname to a Restricted Directory "Path Traversal". This vulnerability occurs when extracting a maliciously crafted tar file, which can result in unauthorized file writes or overwrites outside the intend...

CVE-2024-12905

An Improper Link Resolution Before File Access "Link Following" and Improper Limitation of a Pathname to a Restricted Directory "Path Traversal". This vulnerability occurs when extracting a maliciously crafted tar file, which can result in unauthorized file writes or overwrites outside the intend...

CVE-2024-12905

An Improper Link Resolution Before File Access "Link Following" and Improper Limitation of a Pathname to a Restricted Directory "Path Traversal". This vulnerability occurs when extracting a maliciously crafted tar file, which can result in unauthorized file writes or overwrites outside the intend...

CVE-2024-12905

CVE-2024-12905 affects the tar-fs package (index.js) and enables path traversal and related file writes/overwrites during extraction of crafted tar archives. Affected ranges: tar-fs < 1.16.4, < 2.1.2, and

CVE-2025-21880

In the Linux kernel, the following vulnerability has been resolved: drm/xe/userptr: fix EFAULT handling Currently we treat EFAULT from hmmrangefault as a non-fatal error when called from xevmuserptrpin with the idea that we want to avoid killing the entire vm and chucking an error, under the...

“This fraud destroyed my life.” Man ends up with criminal record after ID was stolen

This is a sad story that illustrates how losing your ID can effectively ruin your life and reputation. 19-year-old dual German Tunisian national Rami Battikh travelled to the UK in 2019, bringing both his passport and his German national ID. When he returned to Germany, Rami noticed that his Germ...

CVE-2025-21891 ipvlan: ensure network headers are in skb linear part

In the Linux kernel, the following vulnerability has been resolved: ipvlan: ensure network headers are in skb linear part syzbot found that ipvlanprocessv6outbound was assuming the IPv6 network header isis present in skb-head 1 Add the needed pskbnetworkmaypull calls for both IPv4 and IPv6...

CVE-2025-21892

CVE-2025-21892 affects the Linux kernel's RDMA mlx5 driver, specifically the UMR QP recovery path. A race during recovery could cause the firmware to skip flushing some CQEs with errors and discard them when transitioning to RESET, potentially losing CQEs and leaving tasks blocked. The referenced...

CVE-2025-21883

CVE-2025-21883 affects the Linux kernel ice driver. The issue occurs when ice_ena_vfs() fails after ice_create_vf_entries(), causing VFs to be freed without removing them from the snapshot PF-VF mailbox list, leading to list corruption (possible kernel BUG in lib/list_debug.c and related traces)....

CVE-2025-21881

In the Linux kernel, the following vulnerability has been resolved: uprobes: Reject the shared zeropage in uprobewriteopcode We triggered the following crash in syzkaller tests: BUG: Bad page state in process syz.7.38 pfn:1eff3 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0...

CVE-2025-21881 uprobes: Reject the shared zeropage in uprobe_write_opcode()

In the Linux kernel, the following vulnerability has been resolved: uprobes: Reject the shared zeropage in uprobewriteopcode We triggered the following crash in syzkaller tests: BUG: Bad page state in process syz.7.38 pfn:1eff3 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0...

CVE-2025-21875 mptcp: always handle address removal under msk socket lock

In the Linux kernel, the following vulnerability has been resolved: mptcp: always handle address removal under msk socket lock Syzkaller reported a lockdep splat in the PM control path: WARNING: CPU: 0 PID: 6693 at ./include/net/sock.h:1711 sockownedbyme include/net/sock.h:1711 inline WARNING: CP...