CVE-2025-21671
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2025
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
zram: fix potential UAF of zram table
In the Linux kernel, the following vulnerability has been resolved: zram: fix potential UAF of zram table If zram_meta_alloc failed early, it frees allocated zram->table without setting it NULL. Which will potentially cause zram_meta_free to access the table if user reset an failed and uninitialized device.
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) |
|---|---|---|---|---|---|
| ac3b5366b9b7c9d97b606532ceab43d2329a22f3 | affected | git | fe3de867f94819ba0f28e035c0b0182150147d95 | Unavailable | None listed |
| 0b5b0b65561b34e6e360de317e4bcd031bfabf42 | affected | git | 571d3f6045cd3a6d9f6aec33b678f3ffe97582ef | Unavailable | None listed |
| 6fb92e9a52e3feae309a213950f21dfcd1eb0b40 | affected | git | 902ef8f16d5ca77edc77c30656be54186c1e99b7 | Unavailable | None listed |
| 74363ec674cb172d8856de25776c8f3103f05e2f | affected | git | 212fe1c0df4a150fb6298db2cfff267ceaba5402 | Unavailable | None listed |
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) |
|---|---|---|---|---|---|
| 6.1.122 | affected | semver | 6.1.127 | Unavailable | None listed |
| 6.6.68 | affected | semver | 6.6.74 | Unavailable | None listed |
| 6.12.7 | affected | semver | 6.12.11 | Unavailable | None listed |