CVE-2024-56636 — Improper Handling of Unexpected Data Type in Linux
Severity
5.5MEDIUMNVD
OSV8.8OSV7.8
EPSS
0.0%
top 99.45%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedDec 27
Latest updateAug 14
Description
In the Linux kernel, the following vulnerability has been resolved:
geneve: do not assume mac header is set in geneve_xmit_skb()
We should not assume mac header is set in output path.
Use skb_eth_hdr() instead of eth_hdr() to fix the issue.
sysbot reported the following :
WARNING: CPU: 0 PID: 11635 at include/linux/skbuff.h:3052 skb_mac_header include/linux/skbuff.h:3052 [inline]
WARNING: CPU: 0 PID: 11635 at include/linux/skbuff.h:3052 eth_hdr include/linux/if_ether.h:24 [inline]
WARNING: …
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6
Affected Packages6 packages
▶CVEListV5linux/linuxa025fb5f49ad38cf749753b16fcd031d0d678f2b — d9fa09ca004befe9cf826d6820439cb6f93cecd7+6