CVEvulnerability
CVE-2025-21671
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2025-01-31
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-416
Description
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.
Affected configurations
• linux linux kernel (>= 6.1.122 < 6.1.127)
• linux linux kernel (>= 6.6.68 < 6.6.74)
• linux linux kernel (>= 6.12.7 < 6.12.11)
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://git.kernel.org/stable/c/212fe1c0df4a150fb6298db2cfff267ceaba5402 Patch
- https://git.kernel.org/stable/c/571d3f6045cd3a6d9f6aec33b678f3ffe97582ef Patch
- https://git.kernel.org/stable/c/902ef8f16d5ca77edc77c30656be54186c1e99b7 Patch
- https://git.kernel.org/stable/c/fe3de867f94819ba0f28e035c0b0182150147d95 Patch
- https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html lists.debian.org