CVE-2020-27815
High
Description
A flaw was found in the JFS filesystem code in the Linux Kernel which allows a local attacker with the ability to set extended attributes to panic the system, causing memory corruption or escalating privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedMay 26, 2021
First seenMay 26, 2021
Weakness typeCWE-119Memory buffer bounds error
How to fix
Update
- linux linux_kernel4.9.249, 4.14.213, 4.19.164, 5.4.86, 5.10.4 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 4.4.249 < v, 4.5 ≤ v < 4.9.249, 4.10 ≤ v < 4.14.213, 4.15 ≤ v < 4.19.164, 4.20 ≤ v < 5.4.86, 5.5 ≤ v < 5.10.4 | 4.9.249, 4.14.213, 4.19.164, 5.4.86, 5.10.4 |
| debian debian_linux | 9.0, 10.0 | — |
| 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 | — |
| netapp h410c_firmware | No range specified | — |
| netapp aff_a250_firmware | No range specified | — |
| netapp fas500f_firmware | No range specified | — |
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