CVE-2021-47521
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)
can: sja1000: fix use after free in ems_pcmcia_add_card()
In the Linux kernel, the following vulnerability has been resolved: can: sja1000: fix use after free in ems_pcmcia_add_card() If the last channel is not available then "dev" is freed. Fortunately, we can just use "pdev->irq" instead. Also we should check if at least one channel was set up.
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) |
|---|---|---|---|---|---|
| fd734c6f25aea4b2b44b045e489aec67b388577e | affected | git | cbd86110546f7f730a1f5d7de56c944a336c15c4 | Unavailable | None listed |
| fd734c6f25aea4b2b44b045e489aec67b388577e | affected | git | 1dd5b819f7e406dc15bbc7670596ff25261aaa2a | Unavailable | None listed |
| fd734c6f25aea4b2b44b045e489aec67b388577e | affected | git | c8718026ba287168ff9ad0ccc4f9a413062cba36 | Unavailable | None listed |
| fd734c6f25aea4b2b44b045e489aec67b388577e | affected | git | ccf070183e4655824936c0f96c4a2bcca93419aa | Unavailable | None listed |
| fd734c6f25aea4b2b44b045e489aec67b388577e | affected | git | 1a295fea90e1acbe80c6d4940f5ff856edcd6bec | Unavailable | None listed |
| fd734c6f25aea4b2b44b045e489aec67b388577e | affected | git | 923f4dc5df679f678e121c20bf2fd70f7bf3e288 | Unavailable | None listed |
| fd734c6f25aea4b2b44b045e489aec67b388577e | affected | git | 474f9a8534f5f89841240a7e978bafd6e1e039ce | Unavailable | None listed |
| fd734c6f25aea4b2b44b045e489aec67b388577e | affected | git | 3ec6ca6b1a8e64389f0212b5a1b0f6fed1909e45 | 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) |
|---|---|---|---|---|---|
| 3.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 3.2 | Unavailable | None listed |
| 4.4.295 | unaffected | semver | Unavailable | 4.4.* | None listed |
| 4.9.293 | unaffected | semver | Unavailable | 4.9.* | None listed |
| 4.14.258 | unaffected | semver | Unavailable | 4.14.* | None listed |
| 4.19.221 | unaffected | semver | Unavailable | 4.19.* | None listed |
| 5.4.165 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.85 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.8 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 5.16 | unaffected | original_commit_for_fix | Unavailable | * | None listed |