{"id":"CVE-2009-2846","aliases":["BELL-CVE-2009-2846","DSA-1872-1","DSA-1928-1","EUVD-2009-2836","GHSA-4rcc-2rmf-f973"],"status":"published","title":"The eisa_eeprom_read function in the parisc isa-eeprom component (drivers/parisc/eisa_eeprom.c)...","description":"The eisa_eeprom_read function in the parisc isa-eeprom component (drivers/parisc/eisa_eeprom.c) in the Linux kernel before 2.6.31-rc6 allows local users to access restricted memory via a negative ppos argument, which bypasses a check that assumes that ppos is positive and causes an out-of-bounds read in the readb function.","severity":{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:C/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.08156,"percentile":0.94889,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-264"],"published":"2009-08-18T20:41:00Z","modified":"2026-06-16T23:10:20Z","affected":[{"source":"osv","ecosystem":"Debian:4.0","package":"linux-2.6","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.18.dfsg.1-24etch4"}]}],"versions":["2.6.18.dfsg.1-12","2.6.18.dfsg.1-12etch1","2.6.18.dfsg.1-12etch2","2.6.18.dfsg.1-13","2.6.18.dfsg.1-13etch1","2.6.18.dfsg.1-13etch2","2.6.18.dfsg.1-13etch3","2.6.18.dfsg.1-13etch4","2.6.18.dfsg.1-13etch5","2.6.18.dfsg.1-13etch6","2.6.18.dfsg.1-13lenny1","2.6.18.dfsg.1-14","2.6.18.dfsg.1-15","2.6.18.dfsg.1-16","2.6.18.dfsg.1-17","2.6.18.dfsg.1-17etch1","2.6.18.dfsg.1-18","2.6.18.dfsg.1-18etch1","2.6.18.dfsg.1-18etch3","2.6.18.dfsg.1-18etch4","2.6.18.dfsg.1-18etch5","2.6.18.dfsg.1-18etch6","2.6.18.dfsg.1-19","2.6.18.dfsg.1-20","2.6.18.dfsg.1-21","2.6.18.dfsg.1-22","2.6.18.dfsg.1-22etch1","2.6.18.dfsg.1-22etch2","2.6.18.dfsg.1-22etch3","2.6.18.dfsg.1-23","2.6.18.dfsg.1-23etch1","2.6.18.dfsg.1-24","2.6.18.dfsg.1-24etch1","2.6.18.dfsg.1-24etch2","2.6.18.dfsg.1-24etch3"],"bundled":5},{"source":"osv","ecosystem":"Debian:4.0","package":"fai-kernels","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.17+etch.24etch4"}]}],"versions":["1.17","1.17+etch.13etch3","1.17+etch.13etch4","1.17+etch.13etch5","1.17+etch.13etch6","1.17+etch.16","1.17+etch.17","1.17+etch.17etch1","1.17+etch.18etch1","1.17+etch.18etch2","1.17+etch.18etch3","1.17+etch.18etch4","1.17+etch.18etch5","1.17+etch.18etch6","1.17+etch.21","1.17+etch.22etch1","1.17+etch.22etch2","1.17+etch.22etch3","1.17+etch.23","1.17+etch.23etch1","1.17+etch.24","1.17+etch.24etch2","1.17+etch.24etch3","1.17+etch1","1.17+etch2","1.17+etch3","1.17+etch4","1.17+etch5","1.17etch1"],"bundled":5},{"source":"osv","ecosystem":"Debian:4.0","package":"user-mode-linux","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.18-1um-2etch.24etch4"}]}],"versions":["2.6.18-1um-2","2.6.18-1um-2etch.13etch3","2.6.18-1um-2etch.13etch4","2.6.18-1um-2etch.13etch5","2.6.18-1um-2etch.13etch6","2.6.18-1um-2etch.16","2.6.18-1um-2etch.17","2.6.18-1um-2etch.17etch1","2.6.18-1um-2etch.18etch1","2.6.18-1um-2etch.18etch2","2.6.18-1um-2etch.18etch3","2.6.18-1um-2etch.18etch4","2.6.18-1um-2etch.18etch5","2.6.18-1um-2etch.18etch6","2.6.18-1um-2etch.21","2.6.18-1um-2etch.22etch1","2.6.18-1um-2etch.22etch2","2.6.18-1um-2etch.22etch3","2.6.18-1um-2etch.23","2.6.18-1um-2etch.23etch1","2.6.18-1um-2etch.24","2.6.18-1um-2etch.24etch2","2.6.18-1um-2etch.24etch3","2.6.18-1um-2etch1","2.6.18-1um-2etch2","2.6.18-1um-2etch3","2.6.18-1um-2etch4"],"bundled":5},{"source":"osv","ecosystem":"Debian:4.0","package":"linux-2.6.24","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.24-6~etchnhalf.9etch1"}]}],"versions":["2.6.24-5~etchnhalf.1","2.6.24-6~etchnhalf.1","2.6.24-6~etchnhalf.2","2.6.24-6~etchnhalf.3","2.6.24-6~etchnhalf.4","2.6.24-6~etchnhalf.5","2.6.24-6~etchnhalf.6","2.6.24-6~etchnhalf.7","2.6.24-6~etchnhalf.8","2.6.24-6~etchnhalf.8etch1","2.6.24-6~etchnhalf.8etch2","2.6.24-6~etchnhalf.8etch3","2.6.24-6~etchnhalf.9"],"bundled":18}],"products":[{"vendor":"linux","product":"linux_kernel"}],"references":[{"url":"http://www.openwall.com/lists/oss-security/2009/08/10/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch"]},{"url":"http://www.ubuntu.com/usn/USN-852-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2010:198","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/52906","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2009/08/18/6","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch"]},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=6b4dbcd86a9d464057fcc7abe4d0574093071fcc","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://secunia.com/advisories/37105","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-2846"},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=6b4dbcd86a9d464057fcc7abe4d0574093071fcc"},{"url":"https://github.com/advisories/GHSA-4rcc-2rmf-f973"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2009-2846","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2009-2846","description":"The eisa_eeprom_read function in the parisc isa-eeprom component (drivers/parisc/eisa_eeprom.c) in the Linux kernel before 2.6.31-rc6 allows local users to access restricted memory via a negative ppos argument, which bypasses a check that assumes that ppos is positive and causes an out-of-bounds read in the readb function.","status":"published","published":"2009-08-18T20:41:00Z","modified":"2024-08-07T06:07:36.531Z","updated_at":"2026-11-02T14:33:23.395558Z"}],"euvd":[{"id":"EUVD-2009-2836","description":"The eisa_eeprom_read function in the parisc isa-eeprom component (drivers/parisc/eisa_eeprom.c) in the Linux kernel before 2.6.31-rc6 allows local users to access restricted memory via a negative ppos argument, which bypasses a check that assumes that ppos is positive and causes an out-of-bounds read in the readb function.","status":"published","published":"2009-08-18T20:41:00Z","modified":"2024-08-07T06:07:36Z","updated_at":"2026-11-03T01:39:15.952935Z"}],"ghsa":[{"id":"GHSA-4rcc-2rmf-f973","title":"The eisa_eeprom_read function in the parisc isa-eeprom component (drivers/parisc/eisa_eeprom.c)...","description":"The eisa_eeprom_read function in the parisc isa-eeprom component (drivers/parisc/eisa_eeprom.c) in the Linux kernel before 2.6.31-rc6 allows local users to access restricted memory via a negative ppos argument, which bypasses a check that assumes that ppos is positive and causes an out-of-bounds read in the readb function.","status":"published","published":"2022-05-02T03:39:02Z","modified":"2025-04-09T04:14:11Z","updated_at":"2026-11-02T15:01:00.53445Z"}],"nvd":[{"id":"CVE-2009-2846","description":"The eisa_eeprom_read function in the parisc isa-eeprom component (drivers/parisc/eisa_eeprom.c) in the Linux kernel before 2.6.31-rc6 allows local users to access restricted memory via a negative ppos argument, which bypasses a check that assumes that ppos is positive and causes an out-of-bounds read in the readb function.","status":"published","published":"2009-08-18T21:00:00.343Z","modified":"2026-06-16T23:10:20.58Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:C/I:N/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:01:36.200173Z"}],"osv":[{"id":"BELL-CVE-2009-2846","title":"CVE-2009-2846 does not affect BellSoft software","status":"withdrawn","published":"2009-08-18T21:00:00Z","modified":"2026-01-28T07:22:11.444386Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:C/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:28:12.886815Z"},{"id":"DSA-1872-1","title":"fai-kernels linux-2.6 user-mode-linux - several vulnerabilities","status":"published","published":"2009-08-24T00:00:00Z","modified":"2026-03-09T01:20:18.485524Z","updated_at":"2026-11-02T15:46:14.734124Z"},{"id":"DSA-1928-1","title":"linux-2.6.24 - several vulnerabilities","status":"published","published":"2009-11-05T00:00:00Z","modified":"2026-03-09T01:17:55.434011Z","updated_at":"2026-11-02T15:46:14.734124Z"}]}}