CVE-2016-6258
UnknownEPSS 0.40%
Last modified
CVE-2016-6258 is a vulnerability of currently unknown severity. The PV pagetable code in arch/x86/mm.c in Xen 4.7.x and earlier allows local 32-bit PV guest OS administrators to gain host OS privileges by leveraging fast-paths for updating pagetable entries.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.
Description
The PV pagetable code in arch/x86/mm.c in Xen 4.7.x and earlier allows local 32-bit PV guest OS administrators to gain host OS privileges by leveraging fast-paths for updating pagetable entries.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Xen | Xen | 3.4.0 | — |
| Xen | Xen | 3.4.2 | — |
| Xen | Xen | 3.4.3 | — |
| Xen | Xen | 3.4.4 | — |
| Xen | Xen | 4.0.0 | — |
| Xen | Xen | 4.0.1 | — |
| Xen | Xen | 4.0.3 | — |
| Xen | Xen | 4.0.4 | — |
| Xen | Xen | 4.1.0 | — |
| Xen | Xen | 4.1.1 | — |
| Xen | Xen | 4.1.2 | — |
| Xen | Xen | 4.1.3 | — |
| Xen | Xen | 4.1.4 | — |
| Xen | Xen | 4.1.5 | — |
| Xen | Xen | 4.2.0 | — |
| Xen | Xen | 4.2.1 | — |
| Xen | Xen | 4.2.2 | — |
| Xen | Xen | 4.2.3 | — |
| Xen | Xen | 4.3.0 | — |
| Xen | Xen | 4.3.1 | — |
| Xen | Xen | 4.4.0 | — |
| Xen | Xen | 4.4.1 | — |
| Xen | Xen | 4.5.0 | — |
| Xen | Xen | 4.6.0 | — |
| Xen | Xen | 4.6.1 | — |
| Xen | Xen | 4.6.3 | — |
| Xen | Xen | 4.7.0 | — |
| Citrix | Xenserver | 6.0 | — |
| Citrix | Xenserver | 6.0.2 | — |
| Citrix | Xenserver | 6.1 | — |
| Citrix | Xenserver | 6.2.0 | Sp1 |
| Citrix | Xenserver | 6.5.0 | Sp1 |
| Citrix | Xenserver | 7.0 | — |
References
- http://support.citrix.com/article/CTX214954Vendor Advisory
- http://www.securityfocus.com/bid/92131Third Party Advisory
- http://www.securitytracker.com/id/1036446Third Party Advisory
- http://xenbits.xen.org/xsa/advisory-182.htmlMitigation, Patch, Vendor Advisory
- http://support.citrix.com/article/CTX214954Vendor Advisory
- http://www.securityfocus.com/bid/92131Third Party Advisory
- http://www.securitytracker.com/id/1036446Third Party Advisory
- http://xenbits.xen.org/xsa/advisory-182.htmlMitigation, Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-6258?
The PV pagetable code in arch/x86/mm.c in Xen 4.7.x and earlier allows local 32-bit PV guest OS administrators to gain host OS privileges by leveraging fast-paths for updating pagetable entries.
How severe is CVE-2016-6258?
Severity scoring for CVE-2016-6258 is pending analysis. The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.
How do I fix CVE-2016-6258?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2016
- CVE-2016-6252Integer overflow in shadow 4.2.1 allows local users to gain …
- CVE-2016-6253mail.local in NetBSD versions 6.0 through 6.0.6, 6.1 through…
- CVE-2016-6254Heap-based buffer overflow in the parse_packet function in n…
- CVE-2016-6255Portable UPnP SDK (aka libupnp) before 1.6.21 allows remote …
- CVE-2016-6256SAP Business One for Android 1.2.3 allows remote attackers t…
- CVE-2016-6257The firmware in Lenovo Ultraslim dongles, as used with Lenov…6.5
- CVE-2016-6259Xen 4.5.x through 4.7.x do not implement Supervisor Mode Acc…
- CVE-2016-6261The idna_to_ascii_4i function in lib/idna.c in libidn before…
- CVE-2016-6262idn in libidn before 1.33 might allow remote attackers to ob…
- CVE-2016-6263The stringprep_utf8_nfkc_normalize function in lib/nfkc.c in…
- CVE-2016-6264Integer signedness error in libc/string/arm/memset.S in uCli…7.5
- CVE-2016-6265Use-after-free vulnerability in the pdf_load_xref function i…
Are you affected by CVE-2016-6258?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST