CVE-2021-27365
High
Description
An issue was discovered in the Linux kernel through 5.11.3. Certain iSCSI data structures do not have appropriate length constraints or checks, and can exceed the PAGE_SIZE value. An unprivileged user can send a Netlink message that is associated with iSCSI, and has a length up to the maximum length of a Netlink message.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedMar 7, 2021
First seenMar 7, 2021
How to fix
Update
- linux linux_kernel4.4.260, 4.9.260, 4.14.224, 4.19.179, 5.4.103, 5.10.21, 5.11.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 4.4.260, 4.5 ≤ v < 4.9.260, 4.10 ≤ v < 4.14.224, 4.15 ≤ v < 4.19.179, 4.20 ≤ v < 5.4.103, 5.5 ≤ v < 5.10.21, 5.11 ≤ v < 5.11.4 | 4.4.260, 4.9.260, 4.14.224, 4.19.179, 5.4.103, 5.10.21, 5.11.4 |
| netapp cloud_backup | No range specified | — |
| debian debian_linux | 9.0 | — |
| oracle tekelec_platform_distribution | 7.4.0 ≤ v ≤ 7.7.1 | — |
| netapp solidfire_baseboard_management_controller_firmware | No range specified | — |
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