CVE-2015-3636 — Use After Free in Kernel
Severity
5.5MEDIUMNVD
NVD4.9OSV4.9
EPSS
3.3%
top 12.75%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedAug 6
Latest updateMay 14
Description
The ping_unhash function in net/ipv4/ping.c in the Linux kernel before 4.0.3 does not initialize a certain list data structure during an unhash operation, which allows local users to gain privileges or cause a denial of service (use-after-free and system crash) by leveraging the ability to make a SOCK_DGRAM socket system call for the IPPROTO_ICMP or IPPROTO_ICMPV6 protocol, and then making a connect system call after a disconnect.
CVSS vector
AV:L/AC:L/C:N/I:N/A:CExploitability: 3.9 | Impact: 6.9
Affected Packages6 packages
Also affects: Debian Linux 7.0, Ubuntu Linux 12.04, Enterprise Linux 6.0