CVE-2025-21817

CVE-2025-21817 · block: mark GFP_NOIO around sysfs ->store()

This page contains facts from public vulnerability sources. Check the original advisory before updating.

This page shows selected source facts. See the linked advisories for the complete description and affected versions.

In the Linux kernel, the following vulnerability has been resolved: block: mark GFP_NOIO around sysfs ->store() sysfs ->store is called with queue freezed, meantime we have several ->store() callbacks(update_nr_requests, wbt, scheduler) to allocate memory with GFP_KERNEL which may run into direct reclaim code path, then potential deadlock can be caused. Fix the issue by marking NOIO around sysfs ->store()

CVSS 5.5 · Medium · EPSS 0.1% · Fix available

Published: 2025-02-27T20:04:15.988Z
Updated: 2026-09-07T15:44:41.250Z

Stack: system

Affected products and versions

linux
Versions
- ≥ 1645cd7fd42c236c952e9228badcac4fea1829ea, < a09280c39ea54080daf19cfaf4a3121a8d17d5cd: Affected (git)
- ≥ 8985da5481562e96b95e94ed8e5cc9b6565eb82b, < 2566ce907e5d5db8a039647208e029ce559baa31: Affected (git)
- ≥ c99f66e4084a62a2cc401c4704a84328aeddc9ec, < 7c0be4ead1f8f5f8be0803f347de0de81e3b8e1c: Affected (git)
No fix published
linux
Versions
- ≥ 6.12.96, < 6.12.109: Affected (semver)
- ≥ 6.13.2, < 6.13.3: Affected (semver)
Update to 6.12.109; Update to 6.13.3
linux Debian:13
Versions
- 6.12.100-1
- 6.12.101-1
- 6.12.105-1
- 6.12.107-1
- 6.12.38-1
- 6.12.41-1
- 6.12.43-1
- 6.12.43-1~bpo12+1
- 6.12.48-1
- 6.12.57-1
- 6.12.57-1~bpo12+1
- 6.12.63-1
- 6.12.63-1~bpo12+1
- 6.12.69-1
- 6.12.69-1~bpo12+1
- 6.12.73-1
- 6.12.73-1~bpo12+1
- 6.12.74-1
- 6.12.74-2
- 6.12.74-2~bpo12+1
- 6.12.85-1
- 6.12.85-1~bpo12+1
- 6.12.86-1
- 6.12.86-1~bpo12+1
- 6.12.88-1
- 6.12.88-1~bpo12+1
- 6.12.90-1
- 6.12.90-1~bpo12+1
- 6.12.90-2
- 6.12.90-2~bpo12+1
- 6.12.94-1
- 6.12.94-1~bpo12+1
- 6.12.95-1
- 6.12.95-1~bpo12+1
- 6.12.96-1
Affected ranges
- ECOSYSTEM: < 6.12.111-1
Update to 6.12.111-1
linux-6.12 Debian:12
Versions
- 6.12.100-1~deb12u1
- 6.12.101-1~deb12u1
- 6.12.107-1~deb12u1
Affected ranges
- ECOSYSTEM: < 6.12.111-1~deb12u1
Update to 6.12.111-1~deb12u1
linux-hwe-edge Ubuntu:16.04:LTS
Versions
- 4.8.0-28.30~16.04.1
- 4.8.0-30.32~16.04.1
- 4.8.0-32.34~16.04.1
- 4.8.0-34.36~16.04.1
- 4.10.0-14.16~16.04.1
- 4.10.0-19.21~16.04.1
- 4.10.0-20.22~16.04.1
- 4.10.0-21.23~16.04.1
- 4.10.0-22.24~16.04.1
- 4.10.0-24.28~16.04.1
- 4.10.0-26.30~16.04.1
- 4.11.0-13.19~16.04.1
- 4.11.0-14.20~16.04.1
- 4.13.0-16.19~16.04.3
- 4.13.0-17.20~16.04.1
- 4.13.0-19.22~16.04.1
- 4.13.0-21.24~16.04.1
- 4.13.0-25.29~16.04.2
- 4.15.0-13.14~16.04.1
- 4.15.0-15.16~16.04.1
- 4.15.0-20.21~16.04.1
- 4.15.0-22.24~16.04.1
- 4.15.0-23.25~16.04.1
Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
linux-aws-5.0 Ubuntu:18.04:LTS
Versions
- 5.0.0-1021.24~18.04.1
- 5.0.0-1022.25~18.04.1
- 5.0.0-1023.26~18.04.1
- 5.0.0-1024.27~18.04.1
- 5.0.0-1025.28
- 5.0.0-1027.30
Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
linux-aws-5.3 Ubuntu:18.04:LTS
Versions
- 5.3.0-1016.17~18.04.1
- 5.3.0-1017.18~18.04.1
- 5.3.0-1019.21~18.04.1
- 5.3.0-1023.25~18.04.1
- 5.3.0-1028.30~18.04.1
- 5.3.0-1030.32~18.04.1
- 5.3.0-1032.34~18.04.2
- 5.3.0-1033.35
- 5.3.0-1034.36
- 5.3.0-1035.37
Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
linux-azure Ubuntu:18.04:LTS
Versions
- 4.15.0-1002.2
- 4.15.0-1003.3
- 4.15.0-1004.4
- 4.15.0-1008.8
- 4.15.0-1009.9
- 4.15.0-1012.12
- 4.15.0-1013.13
- 4.15.0-1014.14
- 4.15.0-1018.18
- 4.15.0-1019.19
- 4.15.0-1021.21
- 4.15.0-1022.23
- 4.15.0-1023.24
- 4.15.0-1025.26
- 4.15.0-1028.29
- 4.15.0-1030.31
- 4.15.0-1031.32
- 4.15.0-1032.33
- 4.15.0-1035.36
- 4.15.0-1036.38
- 4.15.0-1037.39
- 4.18.0-1011.11~18.04.1
- 4.18.0-1013.13~18.04.1
- 4.18.0-1014.14~18.04.1
- 4.18.0-1018.18~18.04.1
- 4.18.0-1019.19~18.04.1
- 4.18.0-1020.20~18.04.1
- 4.18.0-1023.24~18.04.1
- 4.18.0-1024.25~18.04.1
- 4.18.0-1025.27~18.04.1
- 5.0.0-1014.14~18.04.1
- 5.0.0-1016.17~18.04.1
- 5.0.0-1018.19~18.04.1
- 5.0.0-1020.21~18.04.1
- 5.0.0-1022.23~18.04.1
- 5.0.0-1023.24~18.04.1
- 5.0.0-1025.27~18.04.1
- 5.0.0-1027.29~18.04.1
- 5.0.0-1028.30~18.04.1
- 5.0.0-1029.31~18.04.1
- 5.0.0-1031.33
- 5.0.0-1032.34
- 5.0.0-1035.37
- 5.0.0-1036.38
Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
linux-azure-5.3 Ubuntu:18.04:LTS
Versions
- 5.3.0-1007.8~18.04.1
- 5.3.0-1008.9~18.04.1
- 5.3.0-1009.10~18.04.1
- 5.3.0-1010.11~18.04.1
- 5.3.0-1012.13~18.04.1
- 5.3.0-1013.14~18.04.1
- 5.3.0-1016.17~18.04.1
- 5.3.0-1018.19~18.04.1
- 5.3.0-1019.20~18.04.1
- 5.3.0-1020.21~18.04.1
- 5.3.0-1022.23~18.04.1
- 5.3.0-1028.29~18.04.1
- 5.3.0-1031.32~18.04.1
- 5.3.0-1032.33~18.04.1
- 5.3.0-1034.35~18.04.1
- 5.3.0-1035.36
Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
linux-azure-edge Ubuntu:18.04:LTS
Versions
- 4.18.0-1006.6~18.04.1
- 4.18.0-1007.7~18.04.1
- 4.18.0-1008.8~18.04.1
- 5.0.0-1012.12~18.04.2
Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
linux-gcp Ubuntu:18.04:LTS
Versions
- 4.15.0-1001.1
- 4.15.0-1003.3
- 4.15.0-1005.5
- 4.15.0-1006.6
- 4.15.0-1008.8
- 4.15.0-1009.9
- 4.15.0-1010.10
- 4.15.0-1014.14
- 4.15.0-1015.15
- 4.15.0-1017.18
- 4.15.0-1018.19
- 4.15.0-1019.20
- 4.15.0-1021.22
- 4.15.0-1023.24
- 4.15.0-1024.25
- 4.15.0-1025.26
- 4.15.0-1026.27
- 4.15.0-1027.28
- 4.15.0-1028.29
- 4.15.0-1029.31
- 4.15.0-1030.32
- 4.15.0-1032.34
- 4.15.0-1033.35
- 4.15.0-1034.36
- 4.15.0-1036.38
- 4.15.0-1037.39
- 4.15.0-1040.42
- 4.15.0-1042.45
- 4.15.0-1044.70
- 5.0.0-1020.20~18.04.1
- 5.0.0-1021.21~18.04.1
- 5.0.0-1025.26~18.04.1
- 5.0.0-1026.27~18.04.1
- 5.0.0-1028.29~18.04.1
- 5.0.0-1029.30~18.04.1
- 5.0.0-1031.32
- 5.0.0-1033.34
- 5.0.0-1034.35
Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
linux-gcp-5.3 Ubuntu:18.04:LTS
Versions
- 5.3.0-1008.9~18.04.1
- 5.3.0-1009.10~18.04.1
- 5.3.0-1010.11~18.04.1
- 5.3.0-1012.13~18.04.1
- 5.3.0-1014.15~18.04.1
- 5.3.0-1016.17~18.04.1
- 5.3.0-1017.18~18.04.1
- 5.3.0-1018.19~18.04.1
- 5.3.0-1020.22~18.04.1
- 5.3.0-1026.28~18.04.1
- 5.3.0-1029.31~18.04.1
- 5.3.0-1030.32~18.04.1
- 5.3.0-1032.34~18.04.1
Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
linux-gke-4.15 Ubuntu:18.04:LTS
Versions
- 4.15.0-1030.32
- 4.15.0-1032.34
- 4.15.0-1033.35
- 4.15.0-1034.36
- 4.15.0-1036.38
- 4.15.0-1037.39
- 4.15.0-1040.42
- 4.15.0-1041.43
- 4.15.0-1042.44
- 4.15.0-1044.46
- 4.15.0-1045.48
- 4.15.0-1046.49
- 4.15.0-1048.51
- 4.15.0-1049.52
- 4.15.0-1050.53
- 4.15.0-1052.55
- 4.15.0-1055.58
- 4.15.0-1057.60
- 4.15.0-1058.61
- 4.15.0-1059.62
- 4.15.0-1063.66
- 4.15.0-1064.67
- 4.15.0-1066.69
- 4.15.0-1067.70
- 4.15.0-1069.72
- 4.15.0-1070.73
- 4.15.0-1072.76
- 4.15.0-1073.78
- 4.15.0-1074.79
- 4.15.0-1076.81
- 4.15.0-1077.82
- 4.15.0-1078.83
- 4.15.0-1079.84
Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
linux-gke-5.4 Ubuntu:18.04:LTS
Versions
- 5.4.0-1025.25~18.04.1
- 5.4.0-1027.28~18.04.1
- 5.4.0-1029.31~18.04.1
- 5.4.0-1030.32~18.04.1
- 5.4.0-1032.34~18.04.1
- 5.4.0-1033.35~18.04.1
- 5.4.0-1035.37~18.04.1
- 5.4.0-1036.38~18.04.1
- 5.4.0-1037.39~18.04.1
- 5.4.0-1039.41~18.04.1
- 5.4.0-1040.42~18.04.1
- 5.4.0-1042.44~18.04.1
- 5.4.0-1043.45~18.04.1
- 5.4.0-1044.46~18.04.1
- 5.4.0-1046.48~18.04.1
- 5.4.0-1049.52~18.04.1
- 5.4.0-1051.54~18.04.1
- 5.4.0-1052.55~18.04.1
- 5.4.0-1053.56~18.04.1
- 5.4.0-1054.57~18.04.1
- 5.4.0-1055.58~18.04.1
- 5.4.0-1056.59~18.04.1
- 5.4.0-1057.60~18.04.1
- 5.4.0-1059.62~18.04.1
- 5.4.0-1061.64~18.04.1
- 5.4.0-1062.65~18.04.1
- 5.4.0-1063.66~18.04.1
- 5.4.0-1065.68~18.04.1
- 5.4.0-1066.69~18.04.1
- 5.4.0-1067.70~18.04.1
- 5.4.0-1068.71~18.04.1
- 5.4.0-1071.76~18.04.3
- 5.4.0-1072.77~18.04.1
- 5.4.0-1074.79~18.04.1
- 5.4.0-1076.82~18.04.1
- 5.4.0-1078.84~18.04.1
- 5.4.0-1080.86~18.04.1
Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
linux-gkeop-5.4 Ubuntu:18.04:LTS
Versions
- 5.4.0-1001.1
- 5.4.0-1003.3
- 5.4.0-1004.5
- 5.4.0-1005.6
- 5.4.0-1007.8~18.04.1
- 5.4.0-1008.9~18.04.1
- 5.4.0-1009.10~18.04.1
- 5.4.0-1010.11~18.04.1
- 5.4.0-1011.12~18.04.2
- 5.4.0-1012.13~18.04.1
- 5.4.0-1013.14~18.04.1
- 5.4.0-1014.15~18.04.1
- 5.4.0-1015.16~18.04.1
- 5.4.0-1016.17~18.04.1
- 5.4.0-1018.19~18.04.1
- 5.4.0-1021.22~18.04.1
- 5.4.0-1022.23~18.04.1
- 5.4.0-1023.24~18.04.1
- 5.4.0-1024.25~18.04.1
- 5.4.0-1025.26~18.04.1
- 5.4.0-1026.27~18.04.1
- 5.4.0-1027.28~18.04.1
- 5.4.0-1029.30~18.04.2
- 5.4.0-1031.32~18.04.1
- 5.4.0-1032.33~18.04.1
- 5.4.0-1033.34~18.04.1
- 5.4.0-1034.35~18.04.1
- 5.4.0-1036.37~18.04.1
- 5.4.0-1037.38~18.04.1
- 5.4.0-1038.39~18.04.1
- 5.4.0-1039.40~18.04.1
- 5.4.0-1040.41~18.04.1
- 5.4.0-1043.44~18.04.1
- 5.4.0-1046.48~18.04.1
- 5.4.0-1048.51~18.04.1
- 5.4.0-1049.52~18.04.1
- 5.4.0-1051.54~18.04.1
Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
linux-hwe Ubuntu:18.04:LTS
Versions
- 4.18.0-13.14~18.04.1
- 4.18.0-14.15~18.04.1
- 4.18.0-15.16~18.04.1
- 4.18.0-16.17~18.04.1
- 4.18.0-17.18~18.04.1
- 4.18.0-18.19~18.04.1
- 4.18.0-20.21~18.04.1
- 4.18.0-21.22~18.04.1
- 4.18.0-22.23~18.04.1
- 4.18.0-24.25~18.04.1
- 4.18.0-25.26~18.04.1
- 5.0.0-23.24~18.04.1
- 5.0.0-25.26~18.04.1
- 5.0.0-27.28~18.04.1
- 5.0.0-29.31~18.04.1
- 5.0.0-31.33~18.04.1
- 5.0.0-32.34~18.04.2
- 5.0.0-35.38~18.04.1
- 5.0.0-36.39~18.04.1
- 5.0.0-37.40~18.04.1
- 5.3.0-26.28~18.04.1
- 5.3.0-28.30~18.04.1
- 5.3.0-40.32~18.04.1
- 5.3.0-42.34~18.04.1
- 5.3.0-45.37~18.04.1
- 5.3.0-46.38~18.04.1
- 5.3.0-51.44~18.04.2
- 5.3.0-53.47~18.04.1
- 5.3.0-59.53~18.04.1
- 5.3.0-61.55~18.04.1
- 5.3.0-62.56~18.04.1
- 5.3.0-64.58~18.04.1
- 5.3.0-65.59
- 5.3.0-66.60
- 5.3.0-67.61
- 5.3.0-68.63
- 5.3.0-69.65
- 5.3.0-70.66
- 5.3.0-72.68
- 5.3.0-73.69
- 5.3.0-74.70
- 5.3.0-75.71
- 5.3.0-76.72
Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
linux-hwe-edge Ubuntu:18.04:LTS
Versions
- 5.0.0-15.16~18.04.1
- 5.0.0-16.17~18.04.1
- 5.0.0-17.18~18.04.1
- 5.0.0-19.20~18.04.1
- 5.0.0-20.21~18.04.1
- 5.3.0-19.20~18.04.2
- 5.3.0-22.24~18.04.1
- 5.3.0-23.25~18.04.1
- 5.3.0-23.25~18.04.2
- 5.3.0-24.26~18.04.2
Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
linux-oem Ubuntu:18.04:LTS
Versions
- 4.15.0-1002.3
- 4.15.0-1004.5
- 4.15.0-1006.9
- 4.15.0-1008.11
- 4.15.0-1009.12
- 4.15.0-1012.15
- 4.15.0-1013.16
- 4.15.0-1015.18
- 4.15.0-1017.20
- 4.15.0-1018.21
- 4.15.0-1021.24
- 4.15.0-1024.29
- 4.15.0-1026.31
- 4.15.0-1028.33
- 4.15.0-1030.35
- 4.15.0-1033.38
- 4.15.0-1034.39
- 4.15.0-1035.40
- 4.15.0-1036.41
- 4.15.0-1038.43
- 4.15.0-1039.44
- 4.15.0-1043.48
- 4.15.0-1045.50
- 4.15.0-1050.57
- 4.15.0-1056.65
- 4.15.0-1057.66
- 4.15.0-1059.68
- 4.15.0-1063.72
- 4.15.0-1064.73
- 4.15.0-1065.75
- 4.15.0-1066.76
- 4.15.0-1067.77
- 4.15.0-1069.79
- 4.15.0-1073.83
- 4.15.0-1076.86
- 4.15.0-1079.89
- 4.15.0-1080.90
- 4.15.0-1081.91
- 4.15.0-1087.97
- 4.15.0-1090.100
- 4.15.0-1091.101
- 4.15.0-1093.103
- 4.15.0-1094.104
- 4.15.0-1096.106
- 4.15.0-1097.107
- 4.15.0-1099.109
- 4.15.0-1100.110
- 4.15.0-1101.112
- 4.15.0-1102.113
- 4.15.0-1103.114
Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
linux-oracle-5.0 Ubuntu:18.04:LTS
Versions
- 5.0.0-1007.12~18.04.1
- 5.0.0-1008.13~18.04.1
- 5.0.0-1009.14~18.04.1
- 5.0.0-1010.15~18.04.1
- 5.0.0-1011.16
- 5.0.0-1013.18
- 5.0.0-1014.19
Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
linux-oracle-5.3 Ubuntu:18.04:LTS
Versions
- 5.3.0-1011.12~18.04.1
- 5.3.0-1013.14~18.04.1
- 5.3.0-1014.15~18.04.1
- 5.3.0-1016.18~18.04.1
- 5.3.0-1018.20~18.04.1
- 5.3.0-1024.26~18.04.1
- 5.3.0-1027.29~18.04.1
- 5.3.0-1028.30~18.04.1
- 5.3.0-1030.32~18.04.1
Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
linux-aws-5.11 Ubuntu:20.04:LTS
Versions
- 5.11.0-1009.9~20.04.2
- 5.11.0-1014.15~20.04.1
- 5.11.0-1016.17~20.04.1
- 5.11.0-1017.18~20.04.1
- 5.11.0-1019.20~20.04.1
- 5.11.0-1020.21~20.04.2
- 5.11.0-1021.22~20.04.2
- 5.11.0-1022.23~20.04.1
- 5.11.0-1023.24~20.04.1
- 5.11.0-1025.27~20.04.1
- 5.11.0-1027.30~20.04.1
- 5.11.0-1028.31~20.04.1
Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
linux-aws-5.13 Ubuntu:20.04:LTS
Versions
- 5.13.0-1008.9~20.04.2
- 5.13.0-1011.12~20.04.1
- 5.13.0-1012.13~20.04.1
- 5.13.0-1014.15~20.04.1
- 5.13.0-1017.19~20.04.1
- 5.13.0-1019.21~20.04.1
- 5.13.0-1021.23~20.04.2
- 5.13.0-1022.24~20.04.1
- 5.13.0-1023.25~20.04.1
- 5.13.0-1025.27~20.04.1
- 5.13.0-1028.31~20.04.1
- 5.13.0-1029.32~20.04.1
- 5.13.0-1031.35~20.04.1
Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
linux-aws-5.8 Ubuntu:20.04:LTS
Versions
- 5.8.0-1035.37~20.04.1
- 5.8.0-1038.40~20.04.1
- 5.8.0-1041.43~20.04.1
- 5.8.0-1042.44~20.04.1
Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
linux-azure-5.11 Ubuntu:20.04:LTS
Versions
- 5.11.0-1007.7~20.04.2
- 5.11.0-1012.13~20.04.1
- 5.11.0-1013.14~20.04.1
- 5.11.0-1015.16~20.04.1
- 5.11.0-1017.18~20.04.1
- 5.11.0-1019.20~20.04.1
- 5.11.0-1020.21~20.04.1
- 5.11.0-1021.22~20.04.1
- 5.11.0-1022.23~20.04.1
- 5.11.0-1023.24~20.04.1
- 5.11.0-1025.27~20.04.1
- 5.11.0-1027.30~20.04.1
- 5.11.0-1028.31~20.04.2
Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published

Original sources

Check your server →

CVE-2025-21817 · block: mark GFP_NOIO around sysfs ->store()

Affected products and versions

linux

linux

linux Debian:13

linux-6.12 Debian:12

linux-hwe-edge Ubuntu:16.04:LTS

linux-aws-5.0 Ubuntu:18.04:LTS

linux-aws-5.3 Ubuntu:18.04:LTS

linux-azure Ubuntu:18.04:LTS

linux-azure-5.3 Ubuntu:18.04:LTS

linux-azure-edge Ubuntu:18.04:LTS

linux-gcp Ubuntu:18.04:LTS

linux-gcp-5.3 Ubuntu:18.04:LTS

linux-gke-4.15 Ubuntu:18.04:LTS

linux-gke-5.4 Ubuntu:18.04:LTS

linux-gkeop-5.4 Ubuntu:18.04:LTS

linux-hwe Ubuntu:18.04:LTS

linux-hwe-edge Ubuntu:18.04:LTS

linux-oem Ubuntu:18.04:LTS

linux-oracle-5.0 Ubuntu:18.04:LTS

linux-oracle-5.3 Ubuntu:18.04:LTS

linux-aws-5.11 Ubuntu:20.04:LTS

linux-aws-5.13 Ubuntu:20.04:LTS

linux-aws-5.8 Ubuntu:20.04:LTS

linux-azure-5.11 Ubuntu:20.04:LTS

Original sources