CVE-2007-4993

mediumpriority · track · 38EPSS 0.006 · 50 %ileexploit · functionalEUUS
grimoire priorityP1 · Urgent
Exploitable?
Public exploit
1 exploit · functional
Likely / severe?
0.63% (50th) EPSS
CVSS 6.9 · medium
Is it mine?
31 products
Check your exposure
Who says so?
3 sources
enisa_euvd · nvd · redhat_csaf

EPSS · scored 2026-10-27

pygrub (tools/pygrub/src/GrubConf.py) in Xen 3.0.3, when booting a guest domain, allows local users with elevated privileges in the guest domain to execute arbitrary commands in domain 0 via a crafted grub.conf file whose contents are used in exec statements.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • Fixedxen-0:3.0.3-25.0.4.el5.i386 as a component of Red Hat Enterprise Linux Desktop Multi OS (v. 5 client)redhat_csaf

    Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/FAQ_58_10188

    https://access.redhat.com/errata/RHSA-2007:0323
  • Fixedxen-0:3.0.3-25.0.4.el5.i386 as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)redhat_csaf

    Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/FAQ_58_10188

    https://access.redhat.com/errata/RHSA-2007:0323
  • Fixedxen-0:3.0.3-25.0.4.el5.ia64 as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)redhat_csaf

    Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/FAQ_58_10188

    https://access.redhat.com/errata/RHSA-2007:0323
  • Fixedxen-0:3.0.3-25.0.4.el5.src as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf

    Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/FAQ_58_10188

    https://access.redhat.com/errata/RHSA-2007:0323
  • Fixedxen-0:3.0.3-25.0.4.el5.src as a component of Red Hat Enterprise Linux Desktop (v. 5 client)redhat_csaf

    Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/FAQ_58_10188

    https://access.redhat.com/errata/RHSA-2007:0323
  • Fixedxen-0:3.0.3-25.0.4.el5.src as a component of Red Hat Enterprise Linux Desktop Multi OS (v. 5 client)redhat_csaf

    Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/FAQ_58_10188

    https://access.redhat.com/errata/RHSA-2007:0323
  • Fixedxen-0:3.0.3-25.0.4.el5.src as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)redhat_csaf

    Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/FAQ_58_10188

    https://access.redhat.com/errata/RHSA-2007:0323
  • Fixedxen-0:3.0.3-25.0.4.el5.x86_64 as a component of Red Hat Enterprise Linux Desktop Multi OS (v. 5 client)redhat_csaf

    Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/FAQ_58_10188

    https://access.redhat.com/errata/RHSA-2007:0323
  • Fixedxen-0:3.0.3-25.0.4.el5.x86_64 as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)redhat_csaf

    Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/FAQ_58_10188

    https://access.redhat.com/errata/RHSA-2007:0323
  • Fixedxen-debuginfo-0:3.0.3-25.0.4.el5.i386 as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf

    Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/FAQ_58_10188

    https://access.redhat.com/errata/RHSA-2007:0323
  • Fixedxen-debuginfo-0:3.0.3-25.0.4.el5.i386 as a component of Red Hat Enterprise Linux Desktop (v. 5 client)redhat_csaf

    Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/FAQ_58_10188

    https://access.redhat.com/errata/RHSA-2007:0323
  • Fixedxen-debuginfo-0:3.0.3-25.0.4.el5.i386 as a component of Red Hat Enterprise Linux Desktop Multi OS (v. 5 client)redhat_csaf

    Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/FAQ_58_10188

    https://access.redhat.com/errata/RHSA-2007:0323
  • Fixedxen-debuginfo-0:3.0.3-25.0.4.el5.i386 as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)redhat_csaf

    Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/FAQ_58_10188

    https://access.redhat.com/errata/RHSA-2007:0323
  • Fixedxen-debuginfo-0:3.0.3-25.0.4.el5.ia64 as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf

    Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/FAQ_58_10188

    https://access.redhat.com/errata/RHSA-2007:0323
  • Fixedxen-debuginfo-0:3.0.3-25.0.4.el5.ia64 as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)redhat_csaf

    Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/FAQ_58_10188

    https://access.redhat.com/errata/RHSA-2007:0323
  • Fixedxen-debuginfo-0:3.0.3-25.0.4.el5.x86_64 as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf

    Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/FAQ_58_10188

    https://access.redhat.com/errata/RHSA-2007:0323
  • Fixedxen-debuginfo-0:3.0.3-25.0.4.el5.x86_64 as a component of Red Hat Enterprise Linux Desktop (v. 5 client)redhat_csaf

    Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/FAQ_58_10188

    https://access.redhat.com/errata/RHSA-2007:0323
  • Fixedxen-debuginfo-0:3.0.3-25.0.4.el5.x86_64 as a component of Red Hat Enterprise Linux Desktop Multi OS (v. 5 client)redhat_csaf

    Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/FAQ_58_10188

    https://access.redhat.com/errata/RHSA-2007:0323
  • Fixedxen-debuginfo-0:3.0.3-25.0.4.el5.x86_64 as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)redhat_csaf

    Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/FAQ_58_10188

    https://access.redhat.com/errata/RHSA-2007:0323
  • Fixedxen-devel-0:3.0.3-25.0.4.el5.i386 as a component of Red Hat Enterprise Linux Desktop Multi OS (v. 5 client)redhat_csaf

    Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/FAQ_58_10188

    https://access.redhat.com/errata/RHSA-2007:0323
  • Fixedxen-devel-0:3.0.3-25.0.4.el5.i386 as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)redhat_csaf

    Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/FAQ_58_10188

    https://access.redhat.com/errata/RHSA-2007:0323
  • Fixedxen-devel-0:3.0.3-25.0.4.el5.ia64 as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)redhat_csaf

    Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/FAQ_58_10188

    https://access.redhat.com/errata/RHSA-2007:0323
  • Fixedxen-devel-0:3.0.3-25.0.4.el5.x86_64 as a component of Red Hat Enterprise Linux Desktop Multi OS (v. 5 client)redhat_csaf

    Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/FAQ_58_10188

    https://access.redhat.com/errata/RHSA-2007:0323
  • Fixedxen-devel-0:3.0.3-25.0.4.el5.x86_64 as a component of Red Hat Enterprise Linux Virtualization (v. 5 server)redhat_csaf

    Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/FAQ_58_10188

    https://access.redhat.com/errata/RHSA-2007:0323
  • Fixedxen-libs-0:3.0.3-25.0.4.el5.i386 as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf

    Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/FAQ_58_10188

    https://access.redhat.com/errata/RHSA-2007:0323
  • Fixedxen-libs-0:3.0.3-25.0.4.el5.i386 as a component of Red Hat Enterprise Linux Desktop (v. 5 client)redhat_csaf

    Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/FAQ_58_10188

    https://access.redhat.com/errata/RHSA-2007:0323
  • Fixedxen-libs-0:3.0.3-25.0.4.el5.ia64 as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf

    Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/FAQ_58_10188

    https://access.redhat.com/errata/RHSA-2007:0323
  • Fixedxen-libs-0:3.0.3-25.0.4.el5.x86_64 as a component of Red Hat Enterprise Linux (v. 5 server)redhat_csaf

    Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/FAQ_58_10188

    https://access.redhat.com/errata/RHSA-2007:0323
  • Fixedxen-libs-0:3.0.3-25.0.4.el5.x86_64 as a component of Red Hat Enterprise Linux Desktop (v. 5 client)redhat_csaf

    Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/FAQ_58_10188

    https://access.redhat.com/errata/RHSA-2007:0323
02

cvss

Technical severity, 0–10. One row per scoring source.

6.9
010

base score 0–10 · higher = more severe · hover a vector to decode

v2.06.9mediumAV:L/AC:M/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.4 · impact 10
v2.06.2mediumAV:L/AC:M/Au:N/C:C/I:C/A:C/E:POCsecondary · CVSS-BT (t0sche)
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimary
04

exploits (1)

Public proof-of-concept and weaponised exploit code.

05

affected products (31)

Products and version ranges known to be affected.

showing 20 of 31
06

advisories (1)

Vendor and ecosystem advisories describing this.

  • RHSA-2007:0323Red Hat Security Advisory: xen security update2007-10-02csaf · redhat_csafUS

    An updated Xen package to fix multiple security issues is now available for Red Hat Enterprise Linux 5. This update has been rated as having important security impact by the Red Hat Security Response Team.

07

also known as (2)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

enisa_euvdnvdredhat_csafNVDCVE.orgMITRE
published 2007-09-27modified 2026-06-16
10

references (42)

External citations — patches, advisories, analysis.

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