CVE-2024-53217NFSD: Prevent NULL dereference in nfsd4_process_cb_update()
Updated under an hour ago ()
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It affects Linux and 4 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-476
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Modified
- Record last updated
- Oct 15, 2026
- First seen by InfoSec Signals
- Oct 15, 2026
Affected products
Linux Linux linux:linux (from the name) | from dcbeaa68dbbdacbbb330a86c7fc95a28473fc209 before d9a0d1f6e15859ea7a86a327f28491e23deaaa62; from dcbeaa68dbbdacbbb330a86c7fc95a28473fc209 before cac1405e3ff6685a438e910ad719e0cf06af90ee; from dcbeaa68dbbdacbbb330a86c7fc95a28473fc209 before 752a75811f27300fe8131b0a1efc91960f6f88e7; from dcbeaa68dbbdacbbb330a86c7fc95a28473fc209 before c5d90f9302742985a5078e42ac38de42c364c44a; from dcbeaa68dbbdacbbb330a86c7fc95a28473fc209 before 0c3b0e326f838787d229314d4de83af9c53347e8; from dcbeaa68dbbdacbbb330a86c7fc95a28473fc209 before eb51733ae5fc73d95bd857d5da26f9f65b202a79; from dcbeaa68dbbdacbbb330a86c7fc95a28473fc209 before 03178cd8f67227015debb700123987fe96275cd1; from dcbeaa68dbbdacbbb330a86c7fc95a28473fc209 before 4a4ffc1aa9d618e41ad9151f40966e402e58a5a2; and 1 more ranges | CNA record |
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518_4_pn_dp_mfp (from the name) | from V3.1.0 before V3.1.5 | CISA ADP |
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518f_4_pn_dp_mfp (from the name) | from V3.1.0 before V3.1.5 | CISA ADP |
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP siemens:siplus_s7_1500_cpu_1518_4_pn_dp_mfp (from the name) | from V3.1.0 before V3.1.5 | CISA ADP |
linux linux_kernel linux:linux_kernel | from 2.6.38 before 4.19.325; from 4.20 before 5.4.287; from 5.5 before 5.10.231; from 5.11 before 5.15.174; from 5.16 before 6.1.120; from 6.2 before 6.6.64; from 6.7 before 6.11.11; from 6.12 before 6.12.2 | NVD |
References
- https://git.kernel.org/stable/c/d9a0d1f6e15859ea7a86a327f28491e23deaaa62patch
- https://git.kernel.org/stable/c/cac1405e3ff6685a438e910ad719e0cf06af90eepatch
- https://git.kernel.org/stable/c/752a75811f27300fe8131b0a1efc91960f6f88e7patch
- https://git.kernel.org/stable/c/c5d90f9302742985a5078e42ac38de42c364c44apatch
- https://git.kernel.org/stable/c/0c3b0e326f838787d229314d4de83af9c53347e8patch
- https://git.kernel.org/stable/c/eb51733ae5fc73d95bd857d5da26f9f65b202a79patch
- https://git.kernel.org/stable/c/03178cd8f67227015debb700123987fe96275cd1patch
- https://git.kernel.org/stable/c/4a4ffc1aa9d618e41ad9151f40966e402e58a5a2patch
- https://git.kernel.org/stable/c/1e02c641c3a43c88cecc08402000418e15578d38patch
- https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
- https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html
- https://cert-portal.siemens.com/productcert/html/ssa-355557.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.