CVE-2025-38408genirq/irq_sim: Initialize work context pointers properly
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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In the Linux kernel, the following vulnerability has been resolved: genirq/irq_sim: Initialize work context pointers properly Initialize `ops` member's pointers properly by using kzalloc() instead of kmalloc() when allocating the simulation work context. Otherwise the pointers contain random content leading to invalid dereferencing.
- 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 15, 2026
- First seen by InfoSec Signals
- Oct 15, 2026
Affected products
Linux Linux linux:linux (from the name) | 337cbeb2c13eb4cab84f576fd402d7ae4ed31ae1 builds before 186df821de0f34490ed5fc0861243748b2483861; from 337cbeb2c13eb4cab84f576fd402d7ae4ed31ae1 before c71aa4bb528ae6f8fd7577a0a39e5a03c60b04fb; from 337cbeb2c13eb4cab84f576fd402d7ae4ed31ae1 before ec3656a8cb428d763def32bc2fa695f94be23629; 337cbeb2c13eb4cab84f576fd402d7ae4ed31ae1 builds before 19bd7597858dd15802c1d99fcc38e528f469080a; 337cbeb2c13eb4cab84f576fd402d7ae4ed31ae1 builds before 7f73d1def72532bac4d55ea8838f457a6bed955c; 337cbeb2c13eb4cab84f576fd402d7ae4ed31ae1 builds before 8a2277a3c9e4cc5398f80821afe7ecbe9bdf2819 | CNA record |
linux linux_kernel linux:linux_kernel | from 5.8 before 6.12.37; from 6.13 before 6.15.6; 6.16; 6.16 | NVD |
References
- https://git.kernel.org/stable/c/186df821de0f34490ed5fc0861243748b2483861patch
- https://git.kernel.org/stable/c/c71aa4bb528ae6f8fd7577a0a39e5a03c60b04fbpatch
- https://git.kernel.org/stable/c/ec3656a8cb428d763def32bc2fa695f94be23629patch
- https://git.kernel.org/stable/c/19bd7597858dd15802c1d99fcc38e528f469080apatch
- https://git.kernel.org/stable/c/7f73d1def72532bac4d55ea8838f457a6bed955cpatch
- https://git.kernel.org/stable/c/8a2277a3c9e4cc5398f80821afe7ecbe9bdf2819patch
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.