CVE-2019-9213
38Vexday Risk Score
Patch soon. It has a working public exploit.
ssvc Attendepss 5.7%
from disclosure to weapon1 days
Published on NVDMar 5
1st PoC+1d
metasploitNov 1
exploitation probability
5.7%top 8% of all CVEs
observed exploitation
nono source reports it
4 public exploit(s)
In the Linux kernel before 4.20.14, expand_downwards in mm/mmap.c lacks a check for the mmap minimum address, which makes it easier for attackers to exploit kernel NULL pointer dereferences on non-SMAP platforms. This is related to a capability check for the wrong task.
Affected products
n/a · n/apublic PoCs found — 4✓ VexDay Proof
exploitdb✓ VexDay Proofwww.exploit-db.com/exploits/46502exploitdb✓ VexDay Proofwww.exploit-db.com/exploits/47957cve_referencepacketstormsecurity.com/files/156053/Reliable-Datagram-Sockets-RDS-rds_atomic_free_op-Privilege-Escalation.htmlunverifiedcve_referencewww.exploit-db.com/exploits/46502/unverified⚠ 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=0a1d52994d440e21def1c2174932410b4f2a98a1http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00045.htmlhttp://lists.opensuse.org/opensuse-security-announce/2019-04/msg00052.htmlhttp://packetstormsecurity.com/files/156053/Reliable-Datagram-Sockets-RDS-rds_atomic_free_op-Privilege-Escalation.htmlhttps://access.redhat.com/errata/RHSA-2019:0831https://access.redhat.com/errata/RHSA-2019:1479https://access.redhat.com/errata/RHSA-2019:1480https://bugs.chromium.org/p/project-zero/issues/detail?id=1792https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.105https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.27https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.14https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.162