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Debian: CVE-2024-56651: linux -- security update

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Debian: CVE-2024-56651: linux -- security update

Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
12/27/2024
Created
01/14/2025
Added
01/13/2025
Modified
01/30/2025

Description

In the Linux kernel, the following vulnerability has been resolved: can: hi311x: hi3110_can_ist(): fix potential use-after-free The commit a22bd630cfff ("can: hi311x: do not report txerr and rxerr during bus-off") removed the reporting of rxerr and txerr even in case of correct operation (i. e. not bus-off). The error count information added to the CAN frame after netif_rx() is a potential use after free, since there is no guarantee that the skb is in the same state. It might be freed or reused. Fix the issue by postponing the netif_rx() call in case of txerr and rxerr reporting.

Solution(s)

  • debian-upgrade-linux

References

  • https://attackerkb.com/topics/cve-2024-56651
  • CVE - 2024-56651
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