CVE-2021-47049
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2021
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Drivers: hv: vmbus: Use after free in __vmbus_open()
In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Use after free in __vmbus_open() The "open_info" variable is added to the &vmbus_connection.chn_msg_list, but the error handling frees "open_info" without removing it from the list. This will result in a use after free. First remove it from the list, and then free it.
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) |
|---|---|---|---|---|---|
| 6f3d791f300618caf82a2be0c27456edd76d5164 | affected | git | d5c7b42c9f56ca46b286daa537d181bd7f69214f | Unavailable | None listed |
| 6f3d791f300618caf82a2be0c27456edd76d5164 | affected | git | f37dd5d1b5d38a79a4f7b8dd7bbb705505f05560 | Unavailable | None listed |
| 6f3d791f300618caf82a2be0c27456edd76d5164 | affected | git | 2728f289b3270b0e273292b46c534421a33bbfd5 | Unavailable | None listed |
| 6f3d791f300618caf82a2be0c27456edd76d5164 | affected | git | 3e9bf43f7f7a46f21ec071cb47be92d0874c48da | Unavailable | None listed |
| 6b32d45bd59982751beb8220e442b40b2706647f | affected | git | Unavailable | Unavailable | None listed |
| 4.13.9 | affected | semver | 4.14 | 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) |
|---|---|---|---|---|---|
| 4.14 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 4.14 | Unavailable | None listed |
| 5.10.37 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.11.21 | unaffected | semver | Unavailable | 5.11.* | None listed |
| 5.12.4 | unaffected | semver | Unavailable | 5.12.* | None listed |
| 5.13 | unaffected | original_commit_for_fix | Unavailable | * | None listed |