{"id":"CVE-2020-29660","details":"A locking inconsistency issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/tty_io.c and drivers/tty/tty_jobctrl.c may allow a read-after-free attack against TIOCGSID, aka CID-c8bcd9c5be24.","aliases":["A-175451844","ASB-A-175451844"],"modified":"2026-05-05T12:43:49.750196Z","published":"2020-12-09T17:15:31.743Z","related":["ALSA-2021:4356","SUSE-RU-2021:14663-1","SUSE-SU-2021:0094-1","SUSE-SU-2021:0095-1","SUSE-SU-2021:0096-1","SUSE-SU-2021:0097-1","SUSE-SU-2021:0098-1","SUSE-SU-2021:0108-1","SUSE-SU-2021:0117-1","SUSE-SU-2021:0118-1","SUSE-SU-2021:0133-1","SUSE-SU-2021:0362-1","SUSE-SU-2021:0367-1","SUSE-SU-2021:0377-1","SUSE-SU-2021:0408-1","SUSE-SU-2021:0434-1","SUSE-SU-2021:0437-1","SUSE-SU-2021:0438-1","SUSE-SU-2021:0452-1","SUSE-SU-2021:14630-1","openSUSE-SU-2021:0060-1","openSUSE-SU-2021:0075-1","openSUSE-SU-2021:0242-1","openSUSE-SU-2024:10728-1","openSUSE-SU-2024:13704-1"],"database_specific":{"unresolved_ranges":[{"extracted_events":[{"last_affected":"10.0"}],"cpe":"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","source":"CPE_FIELD"},{"extracted_events":[{"last_affected":"9.0"}],"cpe":"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*","source":"CPE_FIELD"},{"extracted_events":[{"last_affected":"32"}],"cpe":"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*","source":"CPE_FIELD"},{"extracted_events":[{"last_affected":"33"}],"cpe":"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*","source":"CPE_FIELD"},{"extracted_events":[{"last_affected":"5.9.13"}],"cpe":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","source":"CPE_FIELD"},{"extracted_events":[{"fixed":"5.9.13"}],"source":"DESCRIPTION"}]},"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BOB25SU6XUL4TNP7KB63WNZSYTIYFDPP/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MZ7OAKAEFAXQRGBZK4LYUWINCD3D2XCL/"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20210122-0001/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2021/dsa-4843"},{"type":"FIX","url":"http://www.openwall.com/lists/oss-security/2020/12/10/1"},{"type":"FIX","url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c8bcd9c5be24fb9e6132e97da5a35e55a83e36b9"},{"type":"EVIDENCE","url":"http://packetstormsecurity.com/files/164950/Kernel-Live-Patch-Security-Notice-LSN-0082-1.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git","events":[{"introduced":"0"},{"fixed":"c8bcd9c5be24fb9e6132e97da5a35e55a83e36b9"}],"database_specific":{"source":"REFERENCES"}}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-29660.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N"}]}