UBUNTU-CVE-2024-56651
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.
02 / AFFECTED SOFTWARE
Affected packages
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03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/9ad86d377ef4a19c75a9c639964879a5b25a433b
- https://git.kernel.org/stable/c/1128022009444faf49359bd406cd665b177cb643
- https://git.kernel.org/stable/c/4ad77eb8f2e07bcfa0e28887d3c7dbb732d92cc1
- https://git.kernel.org/stable/c/9ad86d377ef4a19c75a9c639964879a5b25a433b
- https://git.kernel.org/stable/c/bc30b2fe8c54694f8ae08a5b8a5d174d16d93075
- https://ubuntu.com/security/CVE-2024-56651
- https://ubuntu.com/security/notices/USN-7379-1
- https://ubuntu.com/security/notices/USN-7379-2
- https://ubuntu.com/security/notices/USN-7380-1
- https://ubuntu.com/security/notices/USN-7381-1
- https://ubuntu.com/security/notices/USN-7382-1
- https://ubuntu.com/security/notices/USN-7449-1
- https://ubuntu.com/security/notices/USN-7449-2
- https://ubuntu.com/security/notices/USN-7450-1
- https://ubuntu.com/security/notices/USN-7451-1
- https://ubuntu.com/security/notices/USN-7452-1
- https://ubuntu.com/security/notices/USN-7453-1
- https://ubuntu.com/security/notices/USN-7455-1
- https://ubuntu.com/security/notices/USN-7455-2
- https://ubuntu.com/security/notices/USN-7455-3
- https://ubuntu.com/security/notices/USN-7455-4
- https://ubuntu.com/security/notices/USN-7455-5
- https://ubuntu.com/security/notices/USN-7459-1
- https://ubuntu.com/security/notices/USN-7459-2
- https://ubuntu.com/security/notices/USN-7460-1
- https://ubuntu.com/security/notices/USN-7461-1
- https://ubuntu.com/security/notices/USN-7461-2
- https://ubuntu.com/security/notices/USN-7461-3
- https://ubuntu.com/security/notices/USN-7462-1
- https://ubuntu.com/security/notices/USN-7462-2
- https://ubuntu.com/security/notices/USN-7463-1
- https://ubuntu.com/security/notices/USN-7468-1
- https://ubuntu.com/security/notices/USN-7475-1
- https://ubuntu.com/security/notices/USN-7496-1
- https://ubuntu.com/security/notices/USN-7496-3
- https://ubuntu.com/security/notices/USN-7496-4
- https://ubuntu.com/security/notices/USN-7496-5
- https://ubuntu.com/security/notices/USN-7523-1
- https://ubuntu.com/security/notices/USN-7524-1
- https://ubuntu.com/security/notices/USN-7539-1
- https://ubuntu.com/security/notices/USN-7540-1
- https://www.cve.org/CVERecord?id=CVE-2024-56651