CVE-2024-26857 — Use of Uninitialized Resource in Linux
Severity
5.5MEDIUMNVD
OSV7.0OSV6.5
EPSS
0.0%
top 99.39%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedApr 17
Latest updateJul 31
Description
In the Linux kernel, the following vulnerability has been resolved:
geneve: make sure to pull inner header in geneve_rx()
syzbot triggered a bug in geneve_rx() [1]
Issue is similar to the one I fixed in commit 8d975c15c0cd
("ip6_tunnel: make sure to pull inner header in __ip6_tnl_rcv()")
We have to save skb->network_header in a temporary variable
in order to be able to recompute the network_header pointer
after a pskb_inet_may_pull() call.
pskb_inet_may_pull() makes sure the needed headers …
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 Packages5 packages
▶CVEListV5linux/linux2d07dc79fe04a43d82a346ced6bbf07bdb523f1b — e431c3227864b5646601c97f5f898d99472f2914+8
Also affects: Debian Linux 10.0