CVE-2025-40193
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2025
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
xtensa: simdisk: add input size check in proc_write_simdisk
In the Linux kernel, the following vulnerability has been resolved: xtensa: simdisk: add input size check in proc_write_simdisk A malicious user could pass an arbitrarily bad value to memdup_user_nul(), potentially causing kernel crash. This follows the same pattern as commit ee76746387f6 ("netdevsim: prevent bad user input in nsim_dev_health_break_write()")
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| b6c7e873daf765e41233b9752083b66442703b7a | affected | git | f40405ccfb87b71175f2d5d004c0b8a0aebcc2cf | Unavailable | None listed |
| b6c7e873daf765e41233b9752083b66442703b7a | affected | git | 151bd88859474cdaccc1e4c8b21fbf72dbba2ab4 | Unavailable | None listed |
| b6c7e873daf765e41233b9752083b66442703b7a | affected | git | d381de7fd4cdc928ede96987dc64b133e6480dd6 | Unavailable | None listed |
| b6c7e873daf765e41233b9752083b66442703b7a | affected | git | a0c2c36d864ef3676b05cfd8c58b72ee3214cb1a | Unavailable | None listed |
| b6c7e873daf765e41233b9752083b66442703b7a | affected | git | 5d5f08fd0cd970184376bee07d59f635c8403f63 | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 3.9 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 3.9 | Unavailable | None listed |
| 6.1.157 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.6.113 | unaffected | semver | Unavailable | 6.6.* | None listed |
| 6.12.54 | unaffected | semver | Unavailable | 6.12.* | None listed |
| 6.17.4 | unaffected | semver | Unavailable | 6.17.* | None listed |
| 6.18 | unaffected | original_commit_for_fix | Unavailable | * | None listed |