VulnerabilityModified
CVE-2018-15594
arch/x86/kernel/paravirt.c in the Linux kernel before 4.18.1 mishandles certain indirect calls, which makes it easier for attackers to conduct Spectre-v2 attacks against paravirtual guests.
MEDIUM 5.5EPSS 0.55%
Does this matter?
Lower severity and a low EPSS score (0.55%). Track it; it rarely justifies an emergency change on its own.
Description
arch/x86/kernel/paravirt.c in the Linux kernel before 4.18.1 mishandles certain indirect calls, which makes it easier for attackers to conduct Spectre-v2 attacks against paravirtual guests.
- CVSS 3.0
- 5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.55% probability · 44th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- debian/debian linux · canonical/ubuntu linux · linux/linux kernel
- Source
- cve@mitre.org
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5800dc5c19f34e6e03b5adab1282535cb102fafdMitigation, Patch, Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00043.html
- http://www.securityfocus.com/bid/105120Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041601Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2019:2029
- https://access.redhat.com/errata/RHSA-2019:2043
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.1Release Notes, Vendor Advisory
- https://github.com/torvalds/linux/commit/5800dc5c19f34e6e03b5adab1282535cb102fafdMitigation, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/10/msg00003.htmlMailing List, Third Party Advisory
- https://twitter.com/grsecurity/status/1029324426142199808Third Party Advisory
- https://usn.ubuntu.com/3775-1/Third Party Advisory
- https://usn.ubuntu.com/3775-2/Third Party Advisory
- https://usn.ubuntu.com/3776-1/Third Party Advisory
- https://usn.ubuntu.com/3776-2/Third Party Advisory
- https://usn.ubuntu.com/3777-1/Third Party Advisory
- https://usn.ubuntu.com/3777-2/Third Party Advisory
- https://usn.ubuntu.com/3777-3/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4308Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5800dc5c19f34e6e03b5adab1282535cb102fafdMitigation, Patch, Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00043.html
- http://www.securityfocus.com/bid/105120Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041601Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2019:2029
- https://access.redhat.com/errata/RHSA-2019:2043
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.1Release Notes, Vendor Advisory
- https://github.com/torvalds/linux/commit/5800dc5c19f34e6e03b5adab1282535cb102fafdMitigation, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/10/msg00003.htmlMailing List, Third Party Advisory
- https://twitter.com/grsecurity/status/1029324426142199808Third Party Advisory
- https://usn.ubuntu.com/3775-1/Third Party Advisory
- https://usn.ubuntu.com/3775-2/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.