CVE-2018-5333

EPSS 7.7%

Vexday Risk Score

38Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

Exploit maturity

Functional exploit

Automatable exploit available (Nuclei/Metasploit).

CVSS —EPSS 7.7%KEV nãoPoC públicaNuclei —Metasploit simPatch referenciado

Lifecycle

11 Jan 2018Published on NVD

01 Nov 2018Metasploit module available

23 Jan 2020Public PoC

Weaponization speed

742 daysto first PoC

294 daysto Metasploit module

Recommendation: Plan a near-term fix — a public PoC already exists.

In the Linux kernel through 4.14.13, the rds_cmsg_atomic function in net/rds/rdma.c mishandles cases where page pinning fails or an invalid address is supplied, leading to an rds_atomic_free_op NULL pointer dereference.

Affected products

n/a · n/a

public PoCs found — 3

githubgithub.com/hoanganh2k/cve-2018-5333★ 0 cve_referencepacketstormsecurity.com/files/156053/Reliable-Datagram-Sockets-RDS-rds_atomic_free_op-Privilege-Escalation.htmlunverified exploitdbwww.exploit-db.com/exploits/47957unverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7d11f77f84b27cef452cee332f4e469503084737 http://packetstormsecurity.com/files/156053/Reliable-Datagram-Sockets-RDS-rds_atomic_free_op-Privilege-Escalation.html https://access.redhat.com/errata/RHSA-2018:0470 https://github.com/torvalds/linux/commit/7d11f77f84b27cef452cee332f4e469503084737 https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html https://usn.ubuntu.com/3583-1/https://usn.ubuntu.com/3583-2/https://usn.ubuntu.com/3617-1/https://usn.ubuntu.com/3617-2/https://usn.ubuntu.com/3617-3/https://usn.ubuntu.com/3619-1/https://usn.ubuntu.com/3619-2/