{"id":"CVE-2013-4220","aliases":["EUVD-2013-4125","GHSA-4wjm-w232-9fqf"],"status":"published","title":"The bad_mode function in arch/arm64/kernel/traps.c in the Linux kernel before 3.9.5 on the ARM64...","description":"The bad_mode function in arch/arm64/kernel/traps.c in the Linux kernel before 3.9.5 on the ARM64 platform allows local users to cause a denial of service (system crash) via vectors involving an attempted register access that triggers an unexpected value in the Exception Syndrome Register (ESR).","severity":{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00495,"percentile":0.42723,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2013-08-25T01:00:00Z","modified":"2026-06-16T23:56:50Z","products":[{"vendor":"linux","product":"linux_kernel"}],"references":[{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=9955ac47f4ba1c95ecb6092aeaefb40a22e99268","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2013/08/08/12","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=996380","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://github.com/torvalds/linux/commit/9955ac47f4ba1c95ecb6092aeaefb40a22e99268","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Patch"]},{"url":"http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.9.5","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-4220"},{"url":"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9955ac47f4ba1c95ecb6092aeaefb40a22e99268"},{"url":"https://github.com/advisories/GHSA-4wjm-w232-9fqf"}],"sources":{"cve":[{"id":"CVE-2013-4220","description":"The bad_mode function in arch/arm64/kernel/traps.c in the Linux kernel before 3.9.5 on the ARM64 platform allows local users to cause a denial of service (system crash) via vectors involving an attempted register access that triggers an unexpected value in the Exception Syndrome Register (ESR).","status":"published","published":"2013-08-25T01:00:00Z","modified":"2024-08-06T16:38:01.482Z","updated_at":"2026-11-02T14:34:58.193873Z"}],"euvd":[{"id":"EUVD-2013-4125","description":"The bad_mode function in arch/arm64/kernel/traps.c in the Linux kernel before 3.9.5 on the ARM64 platform allows local users to cause a denial of service (system crash) via vectors involving an attempted register access that triggers an unexpected value in the Exception Syndrome Register (ESR).","status":"published","published":"2013-08-25T01:00:00Z","modified":"2024-08-06T16:38:01Z","updated_at":"2026-11-03T01:56:32.70868Z"}],"ghsa":[{"id":"GHSA-4wjm-w232-9fqf","title":"The bad_mode function in arch/arm64/kernel/traps.c in the Linux kernel before 3.9.5 on the ARM64...","description":"The bad_mode function in arch/arm64/kernel/traps.c in the Linux kernel before 3.9.5 on the ARM64 platform allows local users to cause a denial of service (system crash) via vectors involving an attempted register access that triggers an unexpected value in the Exception Syndrome Register (ESR).","status":"published","published":"2022-05-17T05:05:46Z","modified":"2023-02-13T06:32:04Z","updated_at":"2026-11-02T14:54:06.501947Z"}],"nvd":[{"id":"CVE-2013-4220","description":"The bad_mode function in arch/arm64/kernel/traps.c in the Linux kernel before 3.9.5 on the ARM64 platform allows local users to cause a denial of service (system crash) via vectors involving an attempted register access that triggers an unexpected value in the Exception Syndrome Register (ESR).","status":"published","published":"2013-08-25T03:27:32.933Z","modified":"2026-06-16T23:56:50.347Z","cvss":[{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:02:35.248411Z"}]}}