CVE-2026-31389spi: fix use-after-free on controller registration failure
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: spi: fix use-after-free on controller registration failure Make sure to deregister from driver core also in the unlikely event that per-cpu statistics allocation fails during controller registration to avoid use-after-free (of driver resources) and unclocked register accesses.
- CVSS
- 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- Not given
- 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 16, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | 6598b91b5ac32bc756d7c3000a31f775d4ead1c4 builds before 0e23f50086da7d0b183dfeac26021acfcdee086b; 6598b91b5ac32bc756d7c3000a31f775d4ead1c4 builds before 6bbd385b30c7fb6c7ee0669e9ada91490938c051; from 6598b91b5ac32bc756d7c3000a31f775d4ead1c4 before afe27c1f43aa57530011f419be6ddf71306565d2; 6598b91b5ac32bc756d7c3000a31f775d4ead1c4 builds before 80f3e8cd2b4ad355b2ad2024cf423f6d183404f7; 6598b91b5ac32bc756d7c3000a31f775d4ead1c4 builds before 23b51bad2eb8787aa74324cfccefb258515ae5ba; from 6598b91b5ac32bc756d7c3000a31f775d4ead1c4 before 8634e05b08ead636e926022f4a98416e13440df9 | 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 V3.1.6 | 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 V3.1.6 | 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 V3.1.6 | CISA ADP |
linux linux_kernel linux:linux_kernel | from 6.0 before 6.1.167; from 6.2 before 6.6.130; from 6.7 before 6.12.78; from 6.13 before 6.18.20; from 6.19 before 6.19.10; 7.0; 7.0; 7.0; and 1 more ranges | NVD |
References
- https://git.kernel.org/stable/c/0e23f50086da7d0b183dfeac26021acfcdee086bpatch
- https://git.kernel.org/stable/c/6bbd385b30c7fb6c7ee0669e9ada91490938c051patch
- https://git.kernel.org/stable/c/afe27c1f43aa57530011f419be6ddf71306565d2patch
- https://git.kernel.org/stable/c/80f3e8cd2b4ad355b2ad2024cf423f6d183404f7patch
- https://git.kernel.org/stable/c/23b51bad2eb8787aa74324cfccefb258515ae5bapatch
- https://git.kernel.org/stable/c/8634e05b08ead636e926022f4a98416e13440df9patch
- https://cert-portal.siemens.com/productcert/html/ssa-019113.html
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html
- https://cert-portal.siemens.com/productcert/html/ssa-457936.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.