{"id":"CVE-2009-3624","aliases":["EUVD-2009-3605","GHSA-gx7p-6h8g-757g"],"status":"published","title":"The get_instantiation_keyring function in security/keys/keyctl.c in the KEYS subsystem in the...","description":"The get_instantiation_keyring function in security/keys/keyctl.c in the KEYS subsystem in the Linux kernel before 2.6.32-rc5 does not properly maintain the reference count of a keyring, which allows local users to gain privileges or cause a denial of service (OOPS) via vectors involving calls to this function without specifying a keyring by ID, as demonstrated by a series of keyctl request2 and keyctl list commands.","severity":{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00372,"percentile":0.31395,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-310"],"published":"2009-11-02T15:00:00Z","modified":"2026-06-16T23:12:02Z","products":[{"vendor":"linux","product":"kernel"},{"vendor":"linux","product":"linux_kernel"}],"references":[{"url":"http://marc.info/?l=oss-security\u0026m=125619420905341\u0026w=2","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://www.ubuntu.com/usn/usn-864-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred"]},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=21279cfa107af07ef985539ac0de2152b9cba5f5","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://twitter.com/spendergrsec/statuses/4916661870","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.32-rc5","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://marc.info/?l=oss-security\u0026m=125624091417161\u0026w=2","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://secunia.com/advisories/37086","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://secunia.com/advisories/38017","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-3624"},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=21279cfa107af07ef985539ac0de2152b9cba5f5"},{"url":"https://github.com/advisories/GHSA-gx7p-6h8g-757g"}],"sources":{"cve":[{"id":"CVE-2009-3624","description":"The get_instantiation_keyring function in security/keys/keyctl.c in the KEYS subsystem in the Linux kernel before 2.6.32-rc5 does not properly maintain the reference count of a keyring, which allows local users to gain privileges or cause a denial of service (OOPS) via vectors involving calls to this function without specifying a keyring by ID, as demonstrated by a series of keyctl request2 and keyctl list commands.","status":"published","published":"2009-11-02T15:00:00Z","modified":"2024-08-07T06:38:28.323Z","updated_at":"2026-11-02T14:33:23.749891Z"}],"euvd":[{"id":"EUVD-2009-3605","description":"The get_instantiation_keyring function in security/keys/keyctl.c in the KEYS subsystem in the Linux kernel before 2.6.32-rc5 does not properly maintain the reference count of a keyring, which allows local users to gain privileges or cause a denial of service (OOPS) via vectors involving calls to this function without specifying a keyring by ID, as demonstrated by a series of keyctl request2 and keyctl list commands.","status":"published","published":"2009-11-02T15:00:00Z","modified":"2024-08-07T06:38:28Z","updated_at":"2026-11-03T01:39:13.262818Z"}],"ghsa":[{"id":"GHSA-gx7p-6h8g-757g","title":"The get_instantiation_keyring function in security/keys/keyctl.c in the KEYS subsystem in the...","description":"The get_instantiation_keyring function in security/keys/keyctl.c in the KEYS subsystem in the Linux kernel before 2.6.32-rc5 does not properly maintain the reference count of a keyring, which allows local users to gain privileges or cause a denial of service (OOPS) via vectors involving calls to this function without specifying a keyring by ID, as demonstrated by a series of keyctl request2 and keyctl list commands.","status":"published","published":"2022-05-02T03:46:58Z","modified":"2023-02-20T05:05:40Z","updated_at":"2026-11-02T14:54:10.77374Z"}],"nvd":[{"id":"CVE-2009-3624","description":"The get_instantiation_keyring function in security/keys/keyctl.c in the KEYS subsystem in the Linux kernel before 2.6.32-rc5 does not properly maintain the reference count of a keyring, which allows local users to gain privileges or cause a denial of service (OOPS) via vectors involving calls to this function without specifying a keyring by ID, as demonstrated by a series of keyctl request2 and keyctl list commands.","status":"published","published":"2009-11-02T15:30:00.563Z","modified":"2026-06-16T23:12:02.637Z","cvss":[{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-310"],"updated_at":"2026-11-02T14:01:37.004244Z"}]}}