CVE-2023-53273
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)
Drivers: vmbus: Check for channel allocation before looking up relids
In the Linux kernel, the following vulnerability has been resolved: Drivers: vmbus: Check for channel allocation before looking up relids relid2channel() assumes vmbus channel array to be allocated when called. However, in cases such as kdump/kexec, not all relids will be reset by the host. When the second kernel boots and if the guest receives a vmbus interrupt during vmbus driver initialization before vmbus_connect() is called, before it finishes, or if it fails, the vmbus interrupt service routine is called which in turn calls relid2channel() and can cause a null pointer dereference. Print a warning and error out in relid2channel() for a channel id that's invalid in the second kernel.
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) |
|---|---|---|---|---|---|
| 8b6a877c060ed6b86878fe66c7c6493a6054cf23 | affected | git | 176c6b4889195fbe7016d9401175b48c5c9edf68 | Unavailable | None listed |
| 8b6a877c060ed6b86878fe66c7c6493a6054cf23 | affected | git | c373e49fbb87aa177819866ed9194ebc5414dfd6 | Unavailable | None listed |
| 8b6a877c060ed6b86878fe66c7c6493a6054cf23 | affected | git | 8c3f0ae5435fd20bb1e3a8308488aa6ac33151ee | Unavailable | None listed |
| 8b6a877c060ed6b86878fe66c7c6493a6054cf23 | affected | git | a5c44f3446a0565139b7d8abc78f58b86c398123 | Unavailable | None listed |
| 8b6a877c060ed6b86878fe66c7c6493a6054cf23 | affected | git | 1eb65c8687316c65140b48fad27133d583178e15 | 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) |
|---|---|---|---|---|---|
| 5.8 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 5.8 | Unavailable | None listed |
| 5.10.178 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.107 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.1.24 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.2.11 | unaffected | semver | Unavailable | 6.2.* | None listed |
| 6.3 | unaffected | original_commit_for_fix | Unavailable | * | None listed |