CVE-2009-1935
Integer overflow in the pipe_build_write_buffer function (sys/kern/sys_pipe.c) in the direct write optimization feature in the pipe implementation in FreeBSD 7.1 through 7.2 and 6.3 through 6.4 allows local users to bypass virtual-to-physical address…
Does this matter?
Lower severity and a low EPSS score (0.44%). Track it; it rarely justifies an emergency change on its own.
Description
Integer overflow in the pipe_build_write_buffer function (sys/kern/sys_pipe.c) in the direct write optimization feature in the pipe implementation in FreeBSD 7.1 through 7.2 and 6.3 through 6.4 allows local users to bypass virtual-to-physical address lookups and read sensitive information in memory pages via unspecified vectors.
- CVSS 2.0
- 4.9 MEDIUMAV:L/AC:L/Au:N/C:C/I:N/A:N
- EPSS
- 0.44% probability · 37th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-189
- Affected
- freebsd/freebsd
- Source
- secteam@freebsd.org
References
- http://osvdb.org/55044
- http://secunia.com/advisories/35398Vendor Advisory
- http://security.freebsd.org/advisories/FreeBSD-SA-09:09.pipe.ascPatch, Vendor Advisory
- http://security.freebsd.org/patches/SA-09:09/pipe.patchExploit, Vendor Advisory
- http://www.securityfocus.com/bid/35279
- http://www.securitytracker.com/id?1022365
- https://exchange.xforce.ibmcloud.com/vulnerabilities/51109
- http://osvdb.org/55044
- http://secunia.com/advisories/35398Vendor Advisory
- http://security.freebsd.org/advisories/FreeBSD-SA-09:09.pipe.ascPatch, Vendor Advisory
- http://security.freebsd.org/patches/SA-09:09/pipe.patchExploit, Vendor Advisory
- http://www.securityfocus.com/bid/35279
- http://www.securitytracker.com/id?1022365
- https://exchange.xforce.ibmcloud.com/vulnerabilities/51109
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.