CVE-2004-0077
The do_mremap function for the mremap system call in Linux 2.2 to 2.2.25, 2.4 to 2.4.24, and 2.6 to 2.6.2, does not properly check the return value from the do_munmap function when the maximum number of VMA descriptors is exceeded, which allows local…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.43%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The do_mremap function for the mremap system call in Linux 2.2 to 2.2.25, 2.4 to 2.4.24, and 2.6 to 2.6.2, does not properly check the return value from the do_munmap function when the maximum number of VMA descriptors is exceeded, which allows local users to gain root privileges, a different vulnerability than CAN-2003-0985.
- CVSS 2.0
- 7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C
- EPSS
- 2.43% probability · 83th percentile
- CISA KEV
- Not listed
- Affected
- redhat/bigmem kernel · redhat/kernel · redhat/kernel doc · redhat/kernel source · linux/linux kernel · netwosix/netwosix linux · trustix/secure linux
- Source
- cve@mitre.org
References
- http://archives.neohapsis.com/archives/vulnwatch/2004-q1/0040.html
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000820
- http://fedoranews.org/updates/FEDORA-2004-079.shtml
- http://frontal2.mandriva.com/security/advisories?name=MDKSA-2004:015
- http://isec.pl/vulnerabilities/isec-0014-mremap-unmap.txt
- http://marc.info/?l=bugtraq&m=107711762014175&w=2
- http://marc.info/?l=bugtraq&m=107712137732553&w=2
- http://marc.info/?l=bugtraq&m=107755871932680&w=2
- http://security.gentoo.org/glsa/glsa-200403-02.xmlPatch, Vendor Advisory
- http://www.ciac.org/ciac/bulletins/o-082.shtml
- http://www.debian.org/security/2004/dsa-438
- http://www.debian.org/security/2004/dsa-439Patch, Vendor Advisory
- http://www.debian.org/security/2004/dsa-440
- http://www.debian.org/security/2004/dsa-441
- http://www.debian.org/security/2004/dsa-442
- http://www.debian.org/security/2004/dsa-444
- http://www.debian.org/security/2004/dsa-450
- http://www.debian.org/security/2004/dsa-453
- http://www.debian.org/security/2004/dsa-454
- http://www.debian.org/security/2004/dsa-456
- http://www.debian.org/security/2004/dsa-466
- http://www.debian.org/security/2004/dsa-470
- http://www.debian.org/security/2004/dsa-475
- http://www.debian.org/security/2004/dsa-514
- http://www.kb.cert.org/vuls/id/981222US Government Resource
- http://www.novell.com/linux/security/advisories/2004_05_linux_kernel.html
- http://www.osvdb.org/3986
- http://www.redhat.com/support/errata/RHSA-2004-065.html
- http://www.redhat.com/support/errata/RHSA-2004-066.html
- http://www.redhat.com/support/errata/RHSA-2004-069.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.