CVE-2023-53051: dm crypt: add cond_resched() to dmcrypt_write()
Vulnerability summary
CVE-2023-53051 is a medium (CVSS 5.5) Infinite Loop vulnerability in linux. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 11.5% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 7 · Related 5Timeline
- 02-05-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
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
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.22%
Chance of exploitation in the next 30 days
Percentile
12%
Versus all other CVEs
30-day change
Increase +0.01 pp
From 0.21% on 22-09-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu116 products
- linuxAll versions (No fix recorded) | < 5.4.0-156.173 | < 5.15.0-79.86
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.4.0-1107.115 | < 5.15.0-1042.47
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ dc2676210c425ee8e5cb1bec5bc84d004ddf4179, < e87cd83f70504f1cd2e428966f353c007d6d2d7f | ≥ dc2676210c425ee8e5cb1bec5bc84d004ddf4179, < 7b9f8efb5fc888dd938d2964e705b8e00f1dc0f6 | ≥ dc2676210c425ee8e5cb1bec5bc84d004ddf4179, < 885c28ceae7dab2b18c2cc0eb95f1f82b1f629d1 | ≥ dc2676210c425ee8e5cb1bec5bc84d004ddf4179, < 66ff37993dd7e9954b6446237fe2453b380ce40d | ≥ dc2676210c425ee8e5cb1bec5bc84d004ddf4179, < eb485b7404a281d974bd445ddc5b0b8d5958f371 | ≥ dc2676210c425ee8e5cb1bec5bc84d004ddf4179, < f0eb61b493dbbc32529fbd0d2e945b71b0e47306 | ≥ dc2676210c425ee8e5cb1bec5bc84d004ddf4179, < 2c743db1193bf0e76c73d71ede08bd9b96e6c31d | ≥ dc2676210c425ee8e5cb1bec5bc84d004ddf4179, < fb294b1c0ba982144ca467a75e7d01ff26304e2b | 4.0
- linux_kernel≥ 4.0, < 4.14.312 | ≥ 4.15, < 4.19.280 | ≥ 4.20, < 5.4.240 | ≥ 5.5, < 5.10.177 | ≥ 5.11, < 5.15.105 | ≥ 5.16, < 6.1.22 | ≥ 6.2, < 6.2.9 | 6.3:rc1 | 6.3:rc2 | 6.3:rc3
Debian1 product
- linux< 6.1.25-1
3 vendors · 119 products