{"id":"CVE-2021-3744","details":"A memory leak flaw was found in the Linux kernel in the ccp_run_aes_gcm_cmd() function in drivers/crypto/ccp/ccp-ops.c, which allows attackers to cause a denial of service (memory consumption). This vulnerability is similar with the older CVE-2019-18808.","modified":"2026-04-16T04:30:28.062330827Z","published":"2022-03-04T16:15:08.817Z","related":["ALSA-2022:1988","SUSE-SU-2021:3337-1","SUSE-SU-2021:3338-1","SUSE-SU-2021:3339-1","SUSE-SU-2021:3386-1","SUSE-SU-2021:3387-1","SUSE-SU-2021:3388-1","SUSE-SU-2021:3389-1","SUSE-SU-2021:3415-1","SUSE-SU-2021:3447-1","SUSE-SU-2021:3876-1","SUSE-SU-2021:3969-1","SUSE-SU-2021:3972-1","openSUSE-SU-2021:1357-1","openSUSE-SU-2021:1365-1","openSUSE-SU-2021:3338-1","openSUSE-SU-2021:3387-1","openSUSE-SU-2021:3447-1","openSUSE-SU-2021:3876-1","openSUSE-SU-2024:10728-1","openSUSE-SU-2024:13704-1"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SYKURLXBB2555ASWMPDNMBUPD6AG2JKQ/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LAT3RERO6QBKSPJBNNRWY3D4NCGTFOS7/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7BLLVKYAIETEORUPTFO3TR3C33ZPFXQM/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2022/dsa-5096"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2000627"},{"type":"FIX","url":"https://seclists.org/oss-sec/2021/q3/164"},{"type":"FIX","url":"https://www.oracle.com/security-alerts/cpujul2022.html"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/505d9dcb0f7ddf9d075e729523a33d38642ae680"},{"type":"FIX","url":"https://kernel.googlesource.com/pub/scm/linux/kernel/git/herbert/crypto-2.6/+/505d9dcb0f7ddf9d075e729523a33d38642ae680%5E%21/#F0"},{"type":"EVIDENCE","url":"http://www.openwall.com/lists/oss-security/2021/09/14/1"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/torvalds/linux","events":[{"introduced":"0"},{"fixed":"8bb7eca972ad531c9b149c0a51ab43a417385813"},{"introduced":"0"},{"last_affected":"8bb7eca972ad531c9b149c0a51ab43a417385813"},{"introduced":"0"},{"last_affected":"6880fa6c56601bb8ed59df6c30fd390cc5f6dd8f"},{"introduced":"0"},{"last_affected":"e4e737bb5c170df6135a127739a9e6148ee3da82"},{"introduced":"0"},{"last_affected":"5816b3e6577eaa676ceb00a848f0fd65fe2adc29"},{"introduced":"0"},{"last_affected":"39a8804455fb23f09157341d3ba7db6d7ae6ee76"},{"fixed":"505d9dcb0f7ddf9d075e729523a33d38642ae680"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"5.15"},{"introduced":"0"},{"last_affected":"5.15-NA"},{"introduced":"0"},{"last_affected":"5.15-rc1"},{"introduced":"0"},{"last_affected":"5.15-rc2"},{"introduced":"0"},{"last_affected":"5.15-rc3"},{"introduced":"0"},{"last_affected":"4.0"}]}}],"versions":["v2.6.12-rc2","v2.6.12-rc3","v2.6.12-rc4","v2.6.13","v2.6.13-rc1","v2.6.13-rc2","v2.6.13-rc3","v2.6.13-rc4","v2.6.13-rc5","v2.6.13-rc6","v2.6.13-rc7","v2.6.14-rc1","v2.6.14-rc2","v2.6.14-rc3","v2.6.15-rc1","v2.6.15-rc2","v2.6.15-rc4","v2.6.15-rc5","v2.6.15-rc7","v2.6.16","v2.6.16-rc1","v2.6.16-rc2","v2.6.16-rc3","v2.6.16-rc4","v2.6.16-rc5","v2.6.16-rc6","v2.6.17","v2.6.17-rc1","v2.6.17-rc2","v2.6.17-rc3","v2.6.17-rc4","v2.6.17-rc5","v2.6.17-rc6","v2.6.18","v2.6.18-rc1","v2.6.18-rc2","v2.6.18-rc3","v2.6.18-rc5","v2.6.18-rc6","v2.6.19-rc1","v2.6.19-rc2","v2.6.20-rc1","v2.6.20-rc2","v2.6.20-rc3","v2.6.20-rc4","v2.6.20-rc5","v2.6.20-rc6","v2.6.20-rc7","v2.6.21","v2.6.21-rc1","v2.6.21-rc2","v2.6.21-rc3","v2.6.21-rc4","v2.6.21-rc5","v2.6.21-rc6","v2.6.21-rc7","v2.6.22","v2.6.22-rc1","v2.6.22-rc2","v2.6.22-rc3","v2.6.22-rc4","v2.6.22-rc5","v2.6.22-rc6","v2.6.22-rc7","v2.6.23","v2.6.23-rc1","v2.6.23-rc2","v2.6.23-rc3","v2.6.23-rc4","v2.6.23-rc5","v2.6.23-rc6","v2.6.23-rc7","v2.6.23-rc8","v2.6.23-rc9","v2.6.24","v2.6.24-rc1","v2.6.24-rc2","v2.6.24-rc3","v2.6.24-rc4","v2.6.24-rc5","v2.6.24-rc6","v2.6.24-rc7","v2.6.24-rc8","v2.6.25","v2.6.25-rc1","v2.6.25-rc2","v2.6.25-rc3","v2.6.25-rc4","v2.6.25-rc5","v2.6.25-rc6","v2.6.25-rc7","v2.6.25-rc8","v2.6.25-rc9","v2.6.26","v2.6.26-rc1","v2.6.26-rc2","v2.6.26-rc3","v2.6.26-rc4","v2.6.26-rc5","v2.6.26-rc6","v2.6.26-rc7","v2.6.26-rc8","v2.6.26-rc9","v2.6.27","v2.6.27-rc1","v2.6.27-rc2","v2.6.27-rc3","v2.6.27-rc4","v2.6.27-rc5","v2.6.27-rc6","v2.6.27-rc7","v2.6.27-rc8","v2.6.27-rc9","v2.6.28","v2.6.28-rc1","v2.6.28-rc2","v2.6.28-rc3","v2.6.28-rc4","v2.6.28-rc5","v2.6.28-rc6","v2.6.28-rc7","v2.6.28-rc8","v2.6.28-rc9","v2.6.29","v2.6.29-rc1","v2.6.29-rc2","v2.6.29-rc3","v2.6.29-rc4","v2.6.29-rc5","v2.6.29-rc6","v2.6.29-rc7","v2.6.29-rc8","v2.6.30","v2.6.30-rc1","v2.6.30-rc2","v2.6.30-rc3","v2.6.30-rc4","v2.6.30-rc5","v2.6.30-rc6","v2.6.30-rc7","v2.6.30-rc8","v2.6.31","v2.6.31-rc1","v2.6.31-rc2","v2.6.31-rc3","v2.6.31-rc4","v2.6.31-rc5","v2.6.31-rc6","v2.6.31-rc7","v2.6.31-rc8","v2.6.31-rc9","v2.6.32","v2.6.32-rc1","v2.6.32-rc2","v2.6.32-rc3","v2.6.32-rc4","v2.6.32-rc5","v2.6.32-rc6","v2.6.32-rc7","v2.6.32-rc8","v2.6.33","v2.6.33-rc1","v2.6.33-rc2","v2.6.33-rc3","v2.6.33-rc4","v2.6.33-rc5","v2.6.33-rc6","v2.6.33-rc7","v2.6.33-rc8","v2.6.34","v2.6.34-rc1","v2.6.34-rc2","v2.6.34-rc3","v2.6.34-rc4","v2.6.34-rc5","v2.6.34-rc6","v2.6.34-rc7","v2.6.35","v2.6.35-rc1","v2.6.35-rc2","v2.6.35-rc3","v2.6.35-rc4","v2.6.35-rc5","v2.6.35-rc6","v2.6.36","v2.6.36-rc1","v2.6.36-rc2","v2.6.36-rc3","v2.6.36-rc4","v2.6.36-rc5","v2.6.36-rc6","v2.6.36-rc7","v2.6.36-rc8","v2.6.37","v2.6.37-rc1","v2.6.37-rc2","v2.6.37-rc3","v2.6.37-rc4","v2.6.37-rc5","v2.6.37-rc6","v2.6.37-rc7","v2.6.37-rc8","v2.6.38","v2.6.38-rc1","v2.6.38-rc2","v2.6.38-rc3","v2.6.38-rc4","v2.6.38-rc5","v2.6.38-rc6","v2.6.38-rc7","v2.6.38-rc8","v2.6.39","v2.6.39-rc1","v2.6.39-rc2","v2.6.39-rc3","v2.6.39-rc4","v2.6.39-rc5","v2.6.39-rc6","v2.6.39-rc7","v3.0","v3.0-rc1","v3.0-rc2","v3.0-rc3","v3.0-rc4","v3.0-rc5","v3.0-rc6","v3.0-rc7","v3.1","v3.1-rc1","v3.1-rc10","v3.1-rc2","v3.1-rc3","v3.1-rc4","v3.1-rc5","v3.1-rc6","v3.1-rc7","v3.1-rc8","v3.1-rc9","v3.10","v3.10-rc1","v3.10-rc2","v3.10-rc3","v3.10-rc4","v3.10-rc5","v3.10-rc6","v3.10-rc7","v3.11","v3.11-rc1","v3.11-rc2","v3.11-rc3","v3.11-rc4","v3.11-rc5","v3.11-rc6","v3.11-rc7","v3.12","v3.12-rc1","v3.12-rc2","v3.12-rc3","v3.12-rc4","v3.12-rc5","v3.12-rc6","v3.12-rc7","v3.13","v3.13-rc1","v3.13-rc2","v3.13-rc3","v3.13-rc4","v3.13-rc5","v3.13-rc6","v3.13-rc7","v3.13-rc8","v3.14","v3.14-rc1","v3.14-rc2","v3.14-rc3","v3.14-rc4","v3.14-rc5","v3.14-rc6","v3.14-rc7","v3.14-rc8","v3.15","v3.15-rc1","v3.15-rc2","v3.15-rc3","v3.15-rc4","v3.15-rc5","v3.15-rc6","v3.15-rc7","v3.15-rc8","v3.16","v3.16-rc1","v3.16-rc2","v3.16-rc3","v3.16-rc4","v3.16-rc5","v3.16-rc6","v3.16-rc7","v3.17","v3.17-rc1","v3.17-rc2","v3.17-rc3","v3.17-rc4","v3.17-rc5","v3.17-rc6","v3.17-rc7","v3.18","v3.18-rc1","v3.18-rc2","v3.18-rc3","v3.18-rc4","v3.18-rc5","v3.18-rc6","v3.18-rc7","v3.19","v3.19-rc1","v3.19-rc2","v3.19-rc3","v3.19-rc4","v3.19-rc5","v3.19-rc6","v3.19-rc7","v3.2","v3.2-rc1","v3.2-rc2","v3.2-rc3","v3.2-rc4","v3.2-rc5","v3.2-rc6","v3.2-rc7","v3.3","v3.3-rc1","v3.3-rc2","v3.3-rc3","v3.3-rc4","v3.3-rc5","v3.3-rc6","v3.3-rc7","v3.4","v3.4-rc1","v3.4-rc2","v3.4-rc3","v3.4-rc4","v3.4-rc5","v3.4-rc6","v3.4-rc7","v3.5","v3.5-rc1","v3.5-rc2","v3.5-rc3","v3.5-rc4","v3.5-rc5","v3.5-rc6","v3.5-rc7","v3.6","v3.6-rc1","v3.6-rc2","v3.6-rc3","v3.6-rc4","v3.6-rc5","v3.6-rc6","v3.6-rc7","v3.7","v3.7-rc1","v3.7-rc2","v3.7-rc3","v3.7-rc4","v3.7-rc5","v3.7-rc6","v3.7-rc7","v3.7-rc8","v3.8","v3.8-rc1","v3.8-rc2","v3.8-rc3","v3.8-rc4","v3.8-rc5","v3.8-rc6","v3.8-rc7","v3.9","v3.9-rc1","v3.9-rc2","v3.9-rc3","v3.9-rc4","v3.9-rc5","v3.9-rc6","v3.9-rc7","v3.9-rc8","v4.0","v4.0-rc1","v4.0-rc2","v4.0-rc3","v4.0-rc4","v4.0-rc5","v4.0-rc6","v4.0-rc7","v4.1","v4.1-rc1","v4.1-rc2","v4.1-rc3","v4.1-rc4","v4.1-rc5","v4.1-rc6","v4.1-rc7","v4.1-rc8","v4.10","v4.10-rc1","v4.10-rc2","v4.10-rc3","v4.10-rc4","v4.10-rc5","v4.10-rc6","v4.10-rc7","v4.10-rc8","v4.11","v4.11-rc1","v4.11-rc2","v4.11-rc3","v4.11-rc4","v4.11-rc5","v4.11-rc6","v4.11-rc7","v4.11-rc8","v4.12","v4.12-rc1","v4.12-rc2","v4.12-rc3","v4.12-rc4","v4.12-rc5","v4.12-rc6","v4.12-rc7","v4.13","v4.13-rc1","v4.13-rc2","v4.13-rc3","v4.13-rc4","v4.13-rc5","v4.13-rc6","v4.13-rc7","v4.14","v4.14-rc1","v4.14-rc2","v4.14-rc3","v4.14-rc4","v4.14-rc5","v4.14-rc6","v4.14-rc7","v4.14-rc8","v4.15","v4.15-rc1","v4.15-rc2","v4.15-rc3","v4.15-rc4","v4.15-rc5","v4.15-rc6","v4.15-rc7","v4.15-rc8","v4.15-rc9","v4.16","v4.16-rc1","v4.16-rc2","v4.16-rc3","v4.16-rc4","v4.16-rc5","v4.16-rc6","v4.16-rc7","v4.17","v4.17-rc1","v4.17-rc2","v4.17-rc3","v4.17-rc4","v4.17-rc5","v4.17-rc6","v4.17-rc7","v4.18","v4.18-rc1","v4.18-rc2","v4.18-rc3","v4.18-rc4","v4.18-rc5","v4.18-rc6","v4.18-rc7","v4.18-rc8","v4.19","v4.19-rc1","v4.19-rc2","v4.19-rc3","v4.19-rc4","v4.19-rc5","v4.19-rc6","v4.19-rc7","v4.19-rc8","v4.2","v4.2-rc1","v4.2-rc2","v4.2-rc3","v4.2-rc4","v4.2-rc5","v4.2-rc6","v4.2-rc7","v4.2-rc8","v4.20","v4.20-rc1","v4.20-rc2","v4.20-rc3","v4.20-rc4","v4.20-rc5","v4.20-rc6","v4.20-rc7","v4.3","v4.3-rc1","v4.3-rc2","v4.3-rc3","v4.3-rc4","v4.3-rc5","v4.3-rc6","v4.3-rc7","v4.4","v4.4-rc1","v4.4-rc2","v4.4-rc3","v4.4-rc4","v4.4-rc5","v4.4-rc6","v4.4-rc7","v4.4-rc8","v4.5","v4.5-rc1","v4.5-rc2","v4.5-rc3","v4.5-rc4","v4.5-rc5","v4.5-rc6","v4.5-rc7","v4.6","v4.6-rc1","v4.6-rc2","v4.6-rc3","v4.6-rc4","v4.6-rc5","v4.6-rc6","v4.6-rc7","v4.7","v4.7-rc1","v4.7-rc2","v4.7-rc3","v4.7-rc4","v4.7-rc5","v4.7-rc6","v4.7-rc7","v4.8","v4.8-rc1","v4.8-rc2","v4.8-rc3","v4.8-rc4","v4.8-rc5","v4.8-rc6","v4.8-rc7","v4.8-rc8","v4.9","v4.9-rc1","v4.9-rc2","v4.9-rc3","v4.9-rc4","v4.9-rc5","v4.9-rc6","v4.9-rc7","v4.9-rc8","v5.0","v5.0-rc1","v5.0-rc2","v5.0-rc3","v5.0-rc4","v5.0-rc5","v5.0-rc6","v5.0-rc7","v5.0-rc8","v5.1","v5.1-rc1","v5.1-rc2","v5.1-rc3","v5.1-rc4","v5.1-rc5","v5.1-rc6","v5.1-rc7","v5.10","v5.10-rc1","v5.10-rc2","v5.10-rc3","v5.10-rc4","v5.10-rc5","v5.10-rc6","v5.10-rc7","v5.11","v5.11-rc1","v5.11-rc2","v5.11-rc3","v5.11-rc4","v5.11-rc5","v5.11-rc6","v5.11-rc7","v5.12","v5.12-rc1","v5.12-rc1-dontuse","v5.12-rc2","v5.12-rc3","v5.12-rc4","v5.12-rc5","v5.12-rc6","v5.12-rc7","v5.12-rc8","v5.13","v5.13-rc1","v5.13-rc2","v5.13-rc3","v5.13-rc4","v5.13-rc5","v5.13-rc6","v5.13-rc7","v5.14","v5.14-rc1","v5.14-rc2","v5.14-rc3","v5.14-rc4","v5.14-rc5","v5.14-rc6","v5.14-rc7","v5.15","v5.15-rc1","v5.15-rc2","v5.15-rc3","v5.15-rc4","v5.15-rc5","v5.15-rc6","v5.15-rc7","v5.2","v5.2-rc1","v5.2-rc2","v5.2-rc3","v5.2-rc4","v5.2-rc5","v5.2-rc6","v5.2-rc7","v5.3","v5.3-rc1","v5.3-rc2","v5.3-rc3","v5.3-rc4","v5.3-rc5","v5.3-rc6","v5.3-rc7","v5.3-rc8","v5.4","v5.4-rc1","v5.4-rc2","v5.4-rc3","v5.4-rc4","v5.4-rc5","v5.4-rc6","v5.4-rc7","v5.4-rc8","v5.5","v5.5-rc1","v5.5-rc2","v5.5-rc3","v5.5-rc4","v5.5-rc5","v5.5-rc6","v5.5-rc7","v5.6","v5.6-rc1","v5.6-rc2","v5.6-rc3","v5.6-rc4","v5.6-rc5","v5.6-rc6","v5.6-rc7","v5.7","v5.7-rc1","v5.7-rc2","v5.7-rc3","v5.7-rc4","v5.7-rc5","v5.7-rc6","v5.7-rc7","v5.8","v5.8-rc1","v5.8-rc2","v5.8-rc3","v5.8-rc4","v5.8-rc5","v5.8-rc6","v5.8-rc7","v5.9","v5.9-rc1","v5.9-rc2","v5.9-rc3","v5.9-rc4","v5.9-rc5","v5.9-rc6","v5.9-rc7","v5.9-rc8"],"database_specific":{"vanir_signatures":[{"digest":{"line_hashes":["144011630521472651454124173303540049569","322686727078194435325566503098019389601","303520369278541359958614339471434286865","157493077748187444393124060732000743667","86363198120968311293735513518054851077","128800042935240405129347740889297156289","260793044739317350174153470169193933084","76955205677924200609007113581822783709","107697298120250685199064531513683983874","68661470283739263871390667357175942574","158910464061584724692263190743654470262","217758978013285614748504898493833285238","11714065337864841989774393942137730780","261675874428572449033907908865633721949","128730686669663088093005661369436873697","32994841324107883585964878640021426886","120416576042523101120091512565119279333","178174988987443686622789943547497005530","177117453784123439309414464425415719399","91517734562947462576794085769112561518"],"threshold":0.9},"id":"CVE-2021-3744-03a037ed","target":{"file":"drivers/crypto/ccp/ccp-ops.c"},"signature_version":"v1","source":"https://github.com/torvalds/linux/commit/505d9dcb0f7ddf9d075e729523a33d38642ae680","signature_type":"Line","deprecated":false},{"target":{"file":"drivers/crypto/ccp/ccp-ops.c","function":"ccp_run_aes_gcm_cmd"},"id":"CVE-2021-3744-1a74d8cd","signature_version":"v1","digest":{"length":5592,"function_hash":"169312160436433933833392238663525345502"},"source":"https://github.com/torvalds/linux/commit/505d9dcb0f7ddf9d075e729523a33d38642ae680","signature_type":"Function","deprecated":false}],"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"33"}]},{"events":[{"introduced":"0"},{"last_affected":"34"}]},{"events":[{"introduced":"0"},{"last_affected":"35"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"10.0"}]},{"events":[{"introduced":"0"},{"last_affected":"2.0"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"8.6"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"8.6"}]},{"events":[{"introduced":"0"},{"last_affected":"1.0"}]},{"events":[{"introduced":"0"},{"last_affected":"8.6"}]},{"events":[{"introduced":"0"},{"last_affected":"8.6"}]},{"events":[{"introduced":"0"},{"last_affected":"8.6"}]},{"events":[{"introduced":"0"},{"last_affected":"8"}]},{"events":[{"introduced":"0"},{"last_affected":"8.6"}]},{"events":[{"introduced":"0"},{"last_affected":"8"}]},{"events":[{"introduced":"0"},{"last_affected":"8.6"}]},{"events":[{"introduced":"0"},{"last_affected":"8.6"}]},{"events":[{"introduced":"0"},{"last_affected":"8.6"}]},{"events":[{"introduced":"0"},{"last_affected":"8.6"}]},{"events":[{"introduced":"0"},{"last_affected":"8.6"}]},{"events":[{"introduced":"0"},{"last_affected":"22.1.3"}]},{"events":[{"introduced":"0"},{"last_affected":"22.1.1"}]},{"events":[{"introduced":"0"},{"last_affected":"22.2.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3744.json","vanir_signatures_modified":"2026-04-11T16:26:05Z"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}