CVE-2023-53144

Source
https://cve.org/CVERecord?id=CVE-2023-53144
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53144.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2023-53144
Downstream
Published
2025-05-02T15:56:14.417Z
Modified
2026-04-02T09:43:41.992408Z
Summary
erofs: fix wrong kunmap when using LZMA on HIGHMEM platforms
Details

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: erofsworker zerofsdecompressqueuework EIP: zerofslzmadecompress+0x34b/0x8ac zerofsdecompress+0x12/0x14 zerofsdecompressqueue+0x7e7/0xb1c zerofsdecompressqueuework+0x32/0x60 processonework+0x24b/0x4d8 ? processonework+0x1a4/0x4d8 workerthread+0x14c/0x3fc kthread+0xe6/0x10c ? rescuerthread+0x358/0x358 ? kthreadcompleteandexit+0x18/0x18 retfromfork+0x1c/0x28 ---[ end trace 0000000000000000 ]---

The bug is trivial and should be fixed now. It has no impact on !HIGHMEM platforms.

Database specific
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53144.json"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
622ceaddb7649ca328832f50ba1400af778d75fa
Fixed
fa4056781ac067b5946c6811459e1a36842047fd
Fixed
28aea8ae6cf212a5bf3ed962b27921e2029ad754
Fixed
8f121dfb15f7b4ab345992ce96003eb63fd608f4

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53144.json"