CVE-2025-40193
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2025-40193
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-40193.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2025-40193
- Downstream
- Published
- 2025-11-12T21:56:31.751Z
- Modified
- 2025-11-27T02:32:39.645413Z
- Summary
- xtensa: simdisk: add input size check in proc_write_simdisk
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
xtensa: simdisk: add input size check in procwritesimdisk
A malicious user could pass an arbitrarily bad value to memdupusernul(), potentially causing kernel crash.
This follows the same pattern as commit ee76746387f6 ("netdevsim: prevent bad user input in nsimdevhealthbreakwrite()")
- Database specific
{ "cna_assigner": "Linux", "osv_generated_from": "https://github.com/CVEProject/cvelistV5/blob/cc431b3424123d84bcd7afd4de150b33f117a8ef/cves/2025/40xxx/CVE-2025-40193.json" }- References
-
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/151bd88859474cdaccc1e4c8b21fbf72dbba2ab4
- https://git.kernel.org/stable/c/5d5f08fd0cd970184376bee07d59f635c8403f63
- https://git.kernel.org/stable/c/a0c2c36d864ef3676b05cfd8c58b72ee3214cb1a
- https://git.kernel.org/stable/c/d381de7fd4cdc928ede96987dc64b133e6480dd6
- https://git.kernel.org/stable/c/f40405ccfb87b71175f2d5d004c0b8a0aebcc2cf
Affected packages
Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected ranges
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introducedb6c7e873daf765e41233b9752083b66442703b7aFixedf40405ccfb87b71175f2d5d004c0b8a0aebcc2cf
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introducedb6c7e873daf765e41233b9752083b66442703b7aFixed151bd88859474cdaccc1e4c8b21fbf72dbba2ab4
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introducedb6c7e873daf765e41233b9752083b66442703b7aFixedd381de7fd4cdc928ede96987dc64b133e6480dd6
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introducedb6c7e873daf765e41233b9752083b66442703b7aFixeda0c2c36d864ef3676b05cfd8c58b72ee3214cb1a
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introducedb6c7e873daf765e41233b9752083b66442703b7aFixed5d5f08fd0cd970184376bee07d59f635c8403f63