CVE-2020-25671
High
Description
A vulnerability was found in Linux Kernel, where a refcount leak in llcp_sock_connect() causing use-after-free which might lead to privilege escalations.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedMay 26, 2021
First seenMay 26, 2021
Weakness typeCWE-416Use after free
How to fix
Update
- linux linux_kernel4.4.267, 4.9.267, 4.14.231, 4.19.187, 5.4.112, 5.10.30, 5.11.14 or later
Vendor advisories
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UTVACC6PGS6OSD3EYY7FZUAZT2EUMFH5/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PW3OASG7OEMHANDWBM5US5WKTOC76KMH/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VEIEGQXUW37YHZ5MTAZTDCIMHUN26NJS/
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 3.6 ≤ v < 4.4.267, 4.5 ≤ v < 4.9.267, 4.10 ≤ v < 4.14.231, 4.15 ≤ v < 4.19.187, 4.20 ≤ v < 5.4.112, 5.5 ≤ v < 5.10.30, 5.11 ≤ v < 5.11.14 | 4.4.267, 4.9.267, 4.14.231, 4.19.187, 5.4.112, 5.10.30, 5.11.14 |
| fedoraproject fedora | 32, 33, 34 | — |
| netapp active_iq_unified_manager | No range specified | — |
| netapp cloud_backup | No range specified | — |
| netapp solidfire_baseboard_management_controller_firmware | No range specified | — |
| netapp h410c_firmware | No range specified | — |
| netapp h300s_firmware | No range specified | — |
| netapp h500s_firmware | No range specified | — |
| netapp h700s_firmware | No range specified | — |
| netapp h300e_firmware | No range specified | — |
| netapp h500e_firmware | No range specified | — |
| netapp h700e_firmware | No range specified | — |
| netapp h410s_firmware | No range specified | — |
| debian debian_linux | 9.0 | — |
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