CVE-2023-53144 (GCVE-0-2023-53144)

Vulnerability from cvelistv5 – Published: 2025-05-02 15:56 – Updated: 2025-05-04 07:50
VLAI?
Title
erofs: fix wrong kunmap when using LZMA on HIGHMEM platforms
Summary
In the Linux kernel, the following vulnerability has been resolved: erofs: fix wrong kunmap when using LZMA on HIGHMEM platforms As the call trace shown, the root cause is kunmap incorrect pages: BUG: kernel NULL pointer dereference, address: 00000000 CPU: 1 PID: 40 Comm: kworker/u5:0 Not tainted 6.2.0-rc5 #4 Workqueue: erofs_worker z_erofs_decompressqueue_work EIP: z_erofs_lzma_decompress+0x34b/0x8ac z_erofs_decompress+0x12/0x14 z_erofs_decompress_queue+0x7e7/0xb1c z_erofs_decompressqueue_work+0x32/0x60 process_one_work+0x24b/0x4d8 ? process_one_work+0x1a4/0x4d8 worker_thread+0x14c/0x3fc kthread+0xe6/0x10c ? rescuer_thread+0x358/0x358 ? kthread_complete_and_exit+0x18/0x18 ret_from_fork+0x1c/0x28 ---[ end trace 0000000000000000 ]--- The bug is trivial and should be fixed now. It has no impact on !HIGHMEM platforms.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 622ceaddb7649ca328832f50ba1400af778d75fa , < fa4056781ac067b5946c6811459e1a36842047fd (git)
Affected: 622ceaddb7649ca328832f50ba1400af778d75fa , < 28aea8ae6cf212a5bf3ed962b27921e2029ad754 (git)
Affected: 622ceaddb7649ca328832f50ba1400af778d75fa , < 8f121dfb15f7b4ab345992ce96003eb63fd608f4 (git)
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    Linux Linux Affected: 5.16
Unaffected: 0 , < 5.16 (semver)
Unaffected: 6.1.20 , ≤ 6.1.* (semver)
Unaffected: 6.2.7 , ≤ 6.2.* (semver)
Unaffected: 6.3 , ≤ * (original_commit_for_fix)
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          "product": "Linux",
          "programFiles": [
            "fs/erofs/decompressor_lzma.c"
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: fix wrong kunmap when using LZMA on HIGHMEM platforms\n\nAs the call trace shown, the root cause is kunmap incorrect pages:\n\n BUG: kernel NULL pointer dereference, address: 00000000\n CPU: 1 PID: 40 Comm: kworker/u5:0 Not tainted 6.2.0-rc5 #4\n Workqueue: erofs_worker z_erofs_decompressqueue_work\n EIP: z_erofs_lzma_decompress+0x34b/0x8ac\n  z_erofs_decompress+0x12/0x14\n  z_erofs_decompress_queue+0x7e7/0xb1c\n  z_erofs_decompressqueue_work+0x32/0x60\n  process_one_work+0x24b/0x4d8\n  ? process_one_work+0x1a4/0x4d8\n  worker_thread+0x14c/0x3fc\n  kthread+0xe6/0x10c\n  ? rescuer_thread+0x358/0x358\n  ? kthread_complete_and_exit+0x18/0x18\n  ret_from_fork+0x1c/0x28\n ---[ end trace 0000000000000000 ]---\n\nThe bug is trivial and should be fixed now.  It has no impact on\n!HIGHMEM platforms."
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        "dateUpdated": "2025-05-04T07:50:55.870Z",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53144",
    "datePublished": "2025-05-02T15:56:14.417Z",
    "dateReserved": "2025-05-02T15:51:43.564Z",
    "dateUpdated": "2025-05-04T07:50:55.870Z",
    "state": "PUBLISHED"
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}


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