CVE-2022-50499
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2022
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
media: dvb-core: Fix double free in dvb_register_device()
In the Linux kernel, the following vulnerability has been resolved: media: dvb-core: Fix double free in dvb_register_device() In function dvb_register_device() -> dvb_register_media_device() -> dvb_create_media_entity(), dvb->entity is allocated and initialized. If the initialization fails, it frees the dvb->entity, and return an error code. The caller takes the error code and handles the error by calling dvb_media_device_free(), which unregisters the entity and frees the field again if it is not NULL. As dvb->entity may not NULLed in dvb_create_media_entity() when the allocation of dvbdev->pad fails, a double free may occur. This may also cause an Use After free in media_device_unregister_entity(). Fix this by storing NULL to dvb->entity when it is freed.
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) |
|---|---|---|---|---|---|
| 9db28659aa893c68f162b11fd63bb7f6a713e52f | affected | git | 0588b12c418c3e4f927ced11f27b02ef4a5bfb07 | Unavailable | None listed |
| 1399a136127bfe1b9bb7c951d9851da62a519121 | affected | git | e9a78485b658361fab6a5547377be6c1af6f1b3d | Unavailable | None listed |
| 4df2427a5148093987437054bb82da4d014dcd59 | affected | git | 70bc51303871159796b55ba1a8f16637b46c2511 | Unavailable | None listed |
| fcd5ce4b3936242e6679875a4d3c3acfc8743e15 | affected | git | b21f62b49ee9c3e0216d685d9cfd6003e5727271 | Unavailable | None listed |
| fcd5ce4b3936242e6679875a4d3c3acfc8743e15 | affected | git | 7dd5a68cdbbbe7fc67ba701cb52ba10d8ba149f8 | Unavailable | None listed |
| fcd5ce4b3936242e6679875a4d3c3acfc8743e15 | affected | git | acf984a3718c2458eb9e08b6714490a04f213c58 | Unavailable | None listed |
| fcd5ce4b3936242e6679875a4d3c3acfc8743e15 | affected | git | 772892b29ac50c2c5e918fc80104aa6ede81d837 | Unavailable | None listed |
| fcd5ce4b3936242e6679875a4d3c3acfc8743e15 | affected | git | 123eddf92a114e03919942641d2c2b1f4ca56ea6 | Unavailable | None listed |
| fcd5ce4b3936242e6679875a4d3c3acfc8743e15 | affected | git | 6b0d0477fce747d4137aa65856318b55fba72198 | Unavailable | None listed |
| 8c17f6f5d0d6aab72a2af25c9911ac66e984be06 | affected | git | Unavailable | Unavailable | None listed |
| 202be5d6e46f682b9d1d79cd4dc6ab726e62ef1c | affected | git | Unavailable | Unavailable | None listed |
| 4.9.195 | affected | semver | 4.9.337 | Unavailable | None listed |
| 4.14.147 | affected | semver | 4.14.303 | Unavailable | None listed |
| 4.19.77 | affected | semver | 4.19.270 | Unavailable | None listed |
| 5.2.19 | affected | semver | 5.3 | Unavailable | None listed |
| 5.3.4 | affected | semver | 5.4 | 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) |
|---|---|---|---|---|---|
| 5.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 5.4 | Unavailable | None listed |
| 4.9.337 | unaffected | semver | Unavailable | 4.9.* | None listed |
| 4.14.303 | unaffected | semver | Unavailable | 4.14.* | None listed |
| 4.19.270 | unaffected | semver | Unavailable | 4.19.* | None listed |
| 5.4.229 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.163 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.87 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.0.18 | unaffected | semver | Unavailable | 6.0.* | None listed |
| 6.1.4 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.2 | unaffected | original_commit_for_fix | Unavailable | * | None listed |