CVE-2023-52445
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2023
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
media: pvrusb2: fix use after free on context disconnection
In the Linux kernel, the following vulnerability has been resolved: media: pvrusb2: fix use after free on context disconnection Upon module load, a kthread is created targeting the pvr2_context_thread_func function, which may call pvr2_context_destroy and thus call kfree() on the context object. However, that might happen before the usb hub_event handler is able to notify the driver. This patch adds a sanity check before the invalid read reported by syzbot, within the context disconnection call stack.
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) |
|---|---|---|---|---|---|
| e5be15c63804e05b5a94197524023702a259e308 | affected | git | ec36c134dd020d28e312c2f1766f85525e747aab | Unavailable | None listed |
| e5be15c63804e05b5a94197524023702a259e308 | affected | git | 47aa8fcd5e8b5563af4042a00f25ba89bef8f33d | Unavailable | None listed |
| e5be15c63804e05b5a94197524023702a259e308 | affected | git | 3233d8bf7893550045682192cb227af7fa3defeb | Unavailable | None listed |
| e5be15c63804e05b5a94197524023702a259e308 | affected | git | ec3634ebe23fc3c44ebc67c6d25917300bc68c08 | Unavailable | None listed |
| e5be15c63804e05b5a94197524023702a259e308 | affected | git | 30773ea47d41773f9611ffb4ebc9bda9d19a9e7e | Unavailable | None listed |
| e5be15c63804e05b5a94197524023702a259e308 | affected | git | 2cf0005d315549b8d2b940ff96a66c2a889aa795 | Unavailable | None listed |
| e5be15c63804e05b5a94197524023702a259e308 | affected | git | 437b5f57732bb4cc32cc9f8895d2010ee9ff521c | Unavailable | None listed |
| e5be15c63804e05b5a94197524023702a259e308 | affected | git | ded85b0c0edd8f45fec88783d7555a5b982449c1 | 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) |
|---|---|---|---|---|---|
| 2.6.26 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 2.6.26 | Unavailable | None listed |
| 4.19.306 | unaffected | semver | Unavailable | 4.19.* | None listed |
| 5.4.268 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.209 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.148 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.1.75 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.6.14 | unaffected | semver | Unavailable | 6.6.* | None listed |
| 6.7.2 | unaffected | semver | Unavailable | 6.7.* | None listed |
| 6.8 | unaffected | original_commit_for_fix | Unavailable | * | None listed |