vulnerability
Ubuntu: (CVE-2023-53051): linux vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | May 2, 2025 | May 8, 2025 | Jun 10, 2025 |
Description
In the Linux kernel, the following vulnerability has been resolved:
dm crypt: add cond_resched() to dmcrypt_write()
The loop in dmcrypt_write may be running for unbounded amount of time,
thus we need cond_resched() in it.
This commit fixes the following warning:
[ 3391.153255][ C12] watchdog: BUG: soft lockup - CPU#12 stuck for 23s! [dmcrypt_write/2:2897]
...
[ 3391.387210][ C12] Call trace:
[ 3391.390338][ C12] blk_attempt_bio_merge.part.6+0x38/0x158
[ 3391.395970][ C12] blk_attempt_plug_merge+0xc0/0x1b0
[ 3391.401085][ C12] blk_mq_submit_bio+0x398/0x550
[ 3391.405856][ C12] submit_bio_noacct+0x308/0x380
[ 3391.410630][ C12] dmcrypt_write+0x1e4/0x208 [dm_crypt]
[ 3391.416005][ C12] kthread+0x130/0x138
[ 3391.419911][ C12] ret_from_fork+0x10/0x18
Solution(s)
References
- CVE-2023-53051
- https://attackerkb.com/topics/CVE-2023-53051
- URL-https://git.kernel.org/linus/fb294b1c0ba982144ca467a75e7d01ff26304e2b
- URL-https://git.kernel.org/stable/c/2c743db1193bf0e76c73d71ede08bd9b96e6c31d
- URL-https://git.kernel.org/stable/c/66ff37993dd7e9954b6446237fe2453b380ce40d
- URL-https://git.kernel.org/stable/c/7b9f8efb5fc888dd938d2964e705b8e00f1dc0f6
- URL-https://git.kernel.org/stable/c/885c28ceae7dab2b18c2cc0eb95f1f82b1f629d1
- URL-https://git.kernel.org/stable/c/e87cd83f70504f1cd2e428966f353c007d6d2d7f
- URL-https://git.kernel.org/stable/c/eb485b7404a281d974bd445ddc5b0b8d5958f371
- URL-https://git.kernel.org/stable/c/f0eb61b493dbbc32529fbd0d2e945b71b0e47306
- URL-https://git.kernel.org/stable/c/fb294b1c0ba982144ca467a75e7d01ff26304e2b
- URL-https://www.cve.org/CVERecord?id=CVE-2023-53051
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