CVE-2021-47332
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)
ALSA: usx2y: Don't call free_pages_exact() with NULL address
In the Linux kernel, the following vulnerability has been resolved: ALSA: usx2y: Don't call free_pages_exact() with NULL address Unlike some other functions, we can't pass NULL pointer to free_pages_exact(). Add a proper NULL check for avoiding possible Oops.
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) |
|---|---|---|---|---|---|
| 36b8defc447627c3e91058c43941ec15d827556e | affected | git | 88262229b778f4f7a896da828d966f94dcb35d19 | Unavailable | None listed |
| 36b8defc447627c3e91058c43941ec15d827556e | affected | git | 7d7f30cf182e55023fa8fde4c084b2d37c6be69d | Unavailable | None listed |
| 36b8defc447627c3e91058c43941ec15d827556e | affected | git | bee295f5e03510252d18b25cc1d26230256eb87a | Unavailable | None listed |
| 36b8defc447627c3e91058c43941ec15d827556e | affected | git | 82e5ee742fdd8874fe996181b87fafe1eb5f1196 | Unavailable | None listed |
| 36b8defc447627c3e91058c43941ec15d827556e | affected | git | cae0cf651adccee2c3f376e78f30fbd788d0829f | 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) |
|---|---|---|---|---|---|
| 5.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 5.2 | Unavailable | None listed |
| 5.4.134 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.52 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.12.19 | unaffected | semver | Unavailable | 5.12.* | None listed |
| 5.13.4 | unaffected | semver | Unavailable | 5.13.* | None listed |
| 5.14 | unaffected | original_commit_for_fix | Unavailable | * | None listed |