CVE-2023-1077: Debian Linux

High severity, CVSS 7.0. EPSS: 0.3% chance of exploitation in the next 30 days.

In the Linux kernel, pick_next_rt_entity() may return a type confused entry, not detected by the BUG_ON condition, as the confused entry will not be NULL, but list_head.The buggy error condition would lead to a type confused entry with the list head,which would then be used as a type confused sched_rt_entity,causing memory corruption.

Affected products

• Debian Debian Linux: version 10.0 only
• Linux Linux Kernel: from 2.6.25, before 4.19.293 (fixed in 4.19.293); from 4.20, before 5.4.235 (fixed in 5.4.235); from 5.5, before 5.10.173 (fixed in 5.10.173); from 5.11, before 5.15.99 (fixed in 5.15.99); from 5.16, before 6.1.16 (fixed in 6.1.16); from 6.2, before 6.2.3 (fixed in 6.2.3)
• Netapp 8300 Firmware: affected versions not specified
• Netapp 8700 Firmware: affected versions not specified
• Netapp a400 Firmware: affected versions not specified
• Netapp a700s Firmware: affected versions not specified
• Netapp c400 Firmware: affected versions not specified
• Netapp h300s Firmware: affected versions not specified
• Netapp h410c Firmware: affected versions not specified
• Netapp h410s Firmware: affected versions not specified
• Netapp h500s Firmware: affected versions not specified
• Netapp h700s Firmware: affected versions not specified

Published 2023-03-27. Last modified 2026-06-17.