CVE-2021-47358
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)
staging: greybus: uart: fix tty use after free
In the Linux kernel, the following vulnerability has been resolved: staging: greybus: uart: fix tty use after free User space can hold a tty open indefinitely and tty drivers must not release the underlying structures until the last user is gone. Switch to using the tty-port reference counter to manage the life time of the greybus tty state to avoid use after free after a disconnect.
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) |
|---|---|---|---|---|---|
| a18e15175708d39abbe9746ddc3479466b7800c3 | affected | git | 92b67aaafb7c449db9f0c3dcabc0ff967cb3a42d | Unavailable | None listed |
| a18e15175708d39abbe9746ddc3479466b7800c3 | affected | git | 64062fcaca8872f063ec9da011e7bf30470be33f | Unavailable | None listed |
| a18e15175708d39abbe9746ddc3479466b7800c3 | affected | git | a5cfd51f6348e8fd7531461366946039c29c7e69 | Unavailable | None listed |
| a18e15175708d39abbe9746ddc3479466b7800c3 | affected | git | 4dc56951a8d9d61d364d346c61a5f1d70b4f5e14 | Unavailable | None listed |
| a18e15175708d39abbe9746ddc3479466b7800c3 | affected | git | b9e697e60ce9890e9258a73eb061288e7d68e5e6 | Unavailable | None listed |
| a18e15175708d39abbe9746ddc3479466b7800c3 | affected | git | 9872ff6fdce8b229f01993b611b5d1719cb70ff1 | Unavailable | None listed |
| a18e15175708d39abbe9746ddc3479466b7800c3 | affected | git | 92dc0b1f46e12cfabd28d709bb34f7a39431b44f | 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) |
|---|---|---|---|---|---|
| 4.9 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 4.9 | Unavailable | None listed |
| 4.9.285 | unaffected | semver | Unavailable | 4.9.* | None listed |
| 4.14.249 | unaffected | semver | Unavailable | 4.14.* | None listed |
| 4.19.209 | unaffected | semver | Unavailable | 4.19.* | None listed |
| 5.4.150 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.70 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.14.9 | unaffected | semver | Unavailable | 5.14.* | None listed |
| 5.15 | unaffected | original_commit_for_fix | Unavailable | * | None listed |