CVE-2024-49978 — NULL Pointer Dereference in Linux
Severity
5.5MEDIUMNVD
OSV8.8
EPSS
0.0%
top 99.38%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedOct 21
Latest updateApr 28
Description
In the Linux kernel, the following vulnerability has been resolved:
gso: fix udp gso fraglist segmentation after pull from frag_list
Detect gso fraglist skbs with corrupted geometry (see below) and
pass these to skb_segment instead of skb_segment_list, as the first
can segment them correctly.
Valid SKB_GSO_FRAGLIST skbs
- consist of two or more segments
- the head_skb holds the protocol headers plus first gso_size
- one or more frag_list skbs hold exactly one segment
- all but the last must b…
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