CVE-2024-53217
Vulnerability Summary
Timeline
Description
In the Linux kernel, the following vulnerability has been resolved: NFSD: Prevent NULL dereference in nfsd4_process_cb_update() @ses is initialized to NULL. If __nfsd4_find_backchannel() finds no available backchannel session, setup_callback_client() will try to dereference @ses and segfault.
CVSS Metrics
- v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Trends
Current EPSS score: 0.70%• Percentile: 52%
Techniques & Countermeasures
- CWE-476•NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Systems
- debian•linux
< 5.10.234-1 | < 6.1.123-1 | < 6.12.3-1 | < 6.12.3-1
- debian•linux-6.1
< 6.1.128-1~deb11u1
- ubuntu•linux
< 3.13.0-211.262 | < 4.4.0-276.310 | < 4.15.0-245.257 | < 5.4.0-211.231 | < 5.15.0-135.146 | < 6.8.0-58.60
- ubuntu•linux-allwinner-5.19
all
- ubuntu•linux-aws
< 4.4.0-1150.156 | < 4.4.0-1188.203 | < 4.15.0-1187.200 | < 5.4.0-1142.152 | < 5.15.0-1080.87 | < 6.8.0-1027.29
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.15
< 5.15.0-1080.87~20.04.1
- ubuntu•linux-aws-5.19
all
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.4
< 5.4.0-1142.152~18.04.1
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-aws-6.2
all
- ubuntu•linux-aws-6.5
all
- ubuntu•linux-aws-6.8
< 6.8.0-1027.29~22.04.1
- ubuntu•linux-aws-fips
< 4.15.0-2125.131 | all | < 5.4.0-1142.153+fips1 | < 5.15.0-1080.87+fips1
- ubuntu•linux-aws-hwe
< 4.15.0-1187.200~16.04.1
- ubuntu•linux-azure
< 4.15.0-1195.210~14.04.1 | < 4.15.0-1195.210~16.04.1 | all | < 5.4.0-1147.154 | < 5.15.0-1084.93 | < 6.8.0-1027.32
- ubuntu•linux-azure-4.15
< 4.15.0-1195.210
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.15
< 5.15.0-1086.95~20.04.1
- ubuntu•linux-azure-5.19
all
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.4
< 5.4.0-1147.154~18.04.1
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-6.11
< 6.11.0-1012.12~24.04.1
- ubuntu•linux-azure-6.2
all
- ubuntu•linux-azure-6.5
all
- ubuntu•linux-azure-6.8
< 6.8.0-1027.32~22.04.1
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde
all | all
- ubuntu•linux-azure-fde-5.19
all
- ubuntu•linux-azure-fde-6.2
all
- ubuntu•linux-azure-fips
< 4.15.0-2104.110 | all | < 5.4.0-1147.154+fips1 | < 5.15.0-1083.92+fips1
- ubuntu•linux-azure-nvidia
< 6.8.0-1014.15
- ubuntu•linux-bluefield
all | < 5.4.0-1101.108 | < 5.15.0-1062.64
- ubuntu•linux-fips
< 4.4.0-1120.127 | all | < 4.15.0-1142.154 | < 5.4.0-1116.126 | < 5.15.0-135.146+fips1 | < 6.8.0-78.78+fips1
- ubuntu•linux-gcp
< 4.15.0-1180.197~16.04.1 | all | < 5.4.0-1145.154 | < 5.15.0-1079.88 | < 6.8.0-1028.30
- ubuntu•linux-gcp-4.15
< 4.15.0-1180.197
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
all
- ubuntu•linux-gcp-5.15
< 5.15.0-1081.90~20.04.1
- ubuntu•linux-gcp-5.19
all
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.4
< 5.4.0-1145.154~18.04.1
- ubuntu•linux-gcp-5.8
all
- ubuntu•linux-gcp-6.11
< 6.11.0-1011.11~24.04.1
- ubuntu•linux-gcp-6.2
all
Showing first 50 affected entries in server-rendered view.
References (58)
- https://git.kernel.org/stable/c/d9a0d1f6e15859ea7a86a327f28491e23deaaa62
- https://git.kernel.org/stable/c/cac1405e3ff6685a438e910ad719e0cf06af90ee
- https://git.kernel.org/stable/c/752a75811f27300fe8131b0a1efc91960f6f88e7
- https://git.kernel.org/stable/c/c5d90f9302742985a5078e42ac38de42c364c44a
- https://git.kernel.org/stable/c/0c3b0e326f838787d229314d4de83af9c53347e8
- https://git.kernel.org/stable/c/eb51733ae5fc73d95bd857d5da26f9f65b202a79
- https://git.kernel.org/stable/c/03178cd8f67227015debb700123987fe96275cd1
- https://git.kernel.org/stable/c/4a4ffc1aa9d618e41ad9151f40966e402e58a5a2
- https://git.kernel.org/stable/c/1e02c641c3a43c88cecc08402000418e15578d38
- https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
- https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html
- https://ubuntu.com/security/CVE-2024-53217
- https://www.cve.org/CVERecord?id=CVE-2024-53217
- https://git.kernel.org/linus/1e02c641c3a43c88cecc08402000418e15578d38
- https://ubuntu.com/security/notices/USN-7276-1
- https://ubuntu.com/security/notices/USN-7277-1
- https://ubuntu.com/security/notices/USN-7310-1
- https://ubuntu.com/security/notices/USN-7387-1
- https://ubuntu.com/security/notices/USN-7388-1
- https://ubuntu.com/security/notices/USN-7389-1
- https://ubuntu.com/security/notices/USN-7390-1
- https://ubuntu.com/security/notices/USN-7387-2
- https://ubuntu.com/security/notices/USN-7387-3
- https://ubuntu.com/security/notices/USN-7391-1
- https://ubuntu.com/security/notices/USN-7392-1
- https://ubuntu.com/security/notices/USN-7393-1
- https://ubuntu.com/security/notices/USN-7392-2
- https://ubuntu.com/security/notices/USN-7392-3
- https://ubuntu.com/security/notices/USN-7401-1
- https://ubuntu.com/security/notices/USN-7392-4
- https://ubuntu.com/security/notices/USN-7407-1
- https://ubuntu.com/security/notices/USN-7413-1
- https://ubuntu.com/security/notices/USN-7421-1
- https://ubuntu.com/security/notices/USN-7449-1
- https://ubuntu.com/security/notices/USN-7450-1
- https://ubuntu.com/security/notices/USN-7451-1
- https://ubuntu.com/security/notices/USN-7452-1
- https://ubuntu.com/security/notices/USN-7453-1
- https://ubuntu.com/security/notices/USN-7458-1
- https://ubuntu.com/security/notices/USN-7459-1
- https://ubuntu.com/security/notices/USN-7463-1
- https://ubuntu.com/security/notices/USN-7449-2
- https://ubuntu.com/security/notices/USN-7459-2
- https://ubuntu.com/security/notices/USN-7468-1
- https://ubuntu.com/security/notices/USN-7523-1
- https://ubuntu.com/security/notices/USN-7524-1
- https://ubuntu.com/security/notices/USN-7539-1
- https://ubuntu.com/security/notices/USN-7540-1
- https://ubuntu.com/security/notices/USN-7907-1
- https://ubuntu.com/security/notices/USN-7907-2
- https://ubuntu.com/security/notices/USN-7907-3
- https://ubuntu.com/security/notices/USN-7907-4
- https://ubuntu.com/security/notices/USN-7907-5
- https://ubuntu.com/security/notices/USN-7930-1
- https://ubuntu.com/security/notices/USN-7930-2
- https://ubuntu.com/security/notices/USN-7937-1
- https://ubuntu.com/security/notices/USN-8061-1
- https://security-tracker.debian.org/tracker/CVE-2024-53217