{"schema_version":"1.9.0","id":"CVE-2022-49921","published":"2025-05-01T14:11:00.309Z","modified":"2026-08-12T03:51:34.813041303Z","related":["SUSE-SU-2025:01966-1","SUSE-SU-2025:02173-1","SUSE-SU-2025:02334-1"],"summary":"net: sched: Fix use after free in red_enqueue()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: sched: Fix use after free in red_enqueue()\n\nWe can't use \"skb\" again after passing it to qdisc_enqueue().  This is\nbasically identical to commit 2f09707d0c97 (\"sch_sfb: Also store skb\nlen before calling child enqueue\").","affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"d7f4f332f082c4d4ba53582f902ed6b44fd6f45e"},{"fixed":"795afe0b9bb6c915f0299a8e309936519be01619"},{"fixed":"a238cdcf2bdc72207c74375fc8be13ee549ca9db"},{"fixed":"e877f8fa49fbccc63cb2df2e9179bddc695b825a"},{"fixed":"52e0429471976785c155bfbf51d80990c6cd46e2"},{"fixed":"5960b9081baca85cc7dcb14aec1de85999ea9d36"},{"fixed":"fc4b50adb400ee5ec527a04073174e8e73a139fa"},{"fixed":"170e5317042c302777ed6d59fdb84af9b0219d4e"},{"fixed":"8bdc2acd420c6f3dd1f1c78750ec989f02a1e2b9"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"ab0b3b9dbf559a5633d460e748144697bd2d3aa3"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"4.4.163"},{"fixed":"4.5"}]}],"versions":["v4.4.162","v4.4.161","v4.4.160","v4.4.159","v4.4.158","v4.4.157","v4.4.156","v4.4.155","v4.4.154","v4.4.153","v4.4.152","v4.4.151","v4.4.150","v4.4.149","v4.4.148","v4.4.147","v4.4.146","v4.4.145","v4.4.144","v4.4.143","v4.4.142","v4.4.141","v4.4.140","v4.4.139","v4.4.138","v4.4.137","v4.4.136","v4.4.135","v4.4.134","v4.4.133","v4.4.132","v4.4.131","v4.4.130","v4.4.129","v4.4.128","v4.4.127","v4.4.126","v4.4.125","v4.4.124","v4.4.123","v4.4.122","v4.4.121","v4.4.120","v4.4.119","v4.4.118","v4.4.117","v4.4.116","v4.4.115","v4.4.114","v4.4.113","v4.4.112","v4.4.111","v4.4.110","v4.4.109","v4.4.108","v4.4.107","v4.4.106","v4.4.105","v4.4.104","v4.4.103","v4.4.102","v4.4.101","v4.4.100","v4.4.99","v4.4.98","v4.4.97","v4.4.96","v4.4.95","v4.4.94","v4.4.93","v4.4.92","v4.4.91","v4.4.90","v4.4.89","v4.4.88","v4.4.87","v4.4.86","v4.4.85","v4.4.84","v4.4.83","v4.4.82","v4.4.81","v4.4.80","v4.4.79","v4.4.78","v4.4.77","v4.4.76","v4.4.75","v4.4.74","v4.4.73","v4.4.72","v4.4.71","v4.4.70","v4.4.69","v4.4.68","v4.4.67","v4.4.66","v4.4.65","v4.4.64","v4.4.63","v4.4.62","v4.4.61","v4.4.60","v4.4.59","v4.4.58","v4.4.57","v4.4.56","v4.4.55","v4.4.54","v4.4.53","v4.4.52","v4.4.51","v4.4.50","v4.4.49","v4.4.48","v4.4.47","v4.4.46","v4.4.45","v4.4.44","v4.4.43","v4.4.42","v4.4.41","v4.4.40","v4.4.39","v4.4.38","v4.4.37","v4.4.36","v4.4.35","v4.4.34","v4.4.33","v4.4.32","v4.4.31","v4.4.30","v4.4.29","v4.4.28","v4.4.27","v4.4.26","v4.4.25","v4.4.24","v4.4.23","v4.4.22","v4.4.21","v4.4.20","v4.4.19","v4.4.18","v4.4.17","v4.4.16","v4.4.15","v4.4.14","v4.4.13","v4.4.12","v4.4.11","v4.4.10","v4.4.9","v4.4.8","v4.4.7","v4.4.6","v4.4","v4.4.5","v4.4.4","v4.4.3","v4.4.2","v4.4.1","v4.4-rc1","v4.4-rc2","v4.4-rc8","v4.4-rc3","v4.4-rc7","v4.4-rc5","v4.4-rc6","v4.4-rc4","v4.3","v4.3-rc1","v4.3-rc6","v4.3-rc4","v4.3-rc2","v4.3-rc7","v4.3-rc5","v4.3-rc3","v4.2","v4.2-rc2","v4.2-rc1","v4.2-rc8","v4.2-rc4","v4.2-rc6","v4.2-rc7","v4.0-rc5","v4.2-rc5","v4.2-rc3","v4.1-rc2","v4.1","v4.1-rc1","v4.1-rc8","v4.1-rc7","v4.1-rc6","v4.1-rc3","v4.1-rc4","v4.0","v4.1-rc5","v4.0-rc1","v4.0-rc2","v4.0-rc7","v4.0-rc3","v4.0-rc6","v4.0-rc4","v3.19","v3.19-rc7","v3.19-rc5","v3.19-rc1","v3.19-rc6","v3.19-rc4","v3.18-rc1","v3.19-rc3","v3.19-rc2","v3.18","v3.18-rc7","v3.18-rc6","v3.18-rc2","v3.18-rc3","v3.18-rc4","v3.18-rc5","v3.17","v3.17-rc1","v3.17-rc7","v3.17-rc2","v3.17-rc4","v3.16","v3.17-rc5","v3.17-rc6","v3.17-rc3","v3.16-rc7","v3.16-rc1","v3.16-rc3","v3.16-rc5","v3.16-rc6","v3.16-rc2","v3.16-rc4","v3.13","v3.15","v3.15-rc5","v3.15-rc8","v3.15-rc1","v3.15-rc6","v3.15-rc3","v3.15-rc7","v3.15-rc2","v3.15-rc4","v3.14","v3.14-rc4","v3.14-rc8","v3.14-rc7","v3.14-rc6","v3.14-rc1","v3.14-rc2","v3.14-rc5","v3.14-rc3","v3.13-rc6","v3.13-rc8","v3.12","v3.13-rc7","v3.13-rc1","v3.13-rc4","v3.13-rc3","v3.13-rc5","v3.13-rc2","v3.12-rc7","v3.12-rc3","v3.12-rc6","v3.12-rc1","v3.12-rc5","v3.11","v3.12-rc2","v3.12-rc4","v3.11-rc7","v3.11-rc2","v3.11-rc5","v3.11-rc1","v3.11-rc3","v3.11-rc4","v3.11-rc6","v3.10-rc2","v3.10","v3.10-rc7","v3.10-rc6","v3.10-rc1","v3.10-rc5","v3.10-rc3","v3.10-rc4","v3.9","v3.9-rc2","v3.9-rc7","v3.9-rc8","v3.9-rc3","v3.9-rc6","v3.9-rc5","v3.9-rc4","v3.9-rc1","v3.8","v3.8-rc7","v3.8-rc6","v3.8-rc5","v3.8-rc2","v3.8-rc1","v3.8-rc3","v3.8-rc4","v3.7","v3.7-rc1","v3.6","v3.7-rc6","v3.7-rc7","v3.7-rc3","v3.7-rc8","v3.7-rc2","v3.7-rc4","v3.7-rc5","v3.6-rc7","v3.6-rc1","v3.5-rc3","v3.6-rc6","v3.6-rc5","v3.5","v3.6-rc3","v3.6-rc4","v3.6-rc2","v3.4-rc4","v3.5-rc7","v3.5-rc5","v3.5-rc6","v3.5-rc2","v3.5-rc1","v3.5-rc4","v3.4","v3.4-rc2","v3.4-rc1","v3.4-rc7","v3.4-rc6","v3.4-rc3","v3.4-rc5","v3.3","v3.3-rc6","v3.3-rc3","v3.3-rc7","v3.3-rc2","v3.3-rc5","v3.2","v3.3-rc4","v3.3-rc1","v3.2-rc4","v3.2-rc7","v3.2-rc6","v3.2-rc5","v3.2-rc3","v3.1","v3.2-rc2","v3.2-rc1","v3.1-rc1","v3.1-rc9","v3.1-rc8","v3.1-rc10","v3.1-rc7","v3.1-rc3","v3.1-rc2","v3.1-rc4","v3.1-rc5","v3.0","v3.1-rc6","v3.0-rc7","v3.0-rc4","v3.0-rc6","v3.0-rc5","v3.0-rc3","v3.0-rc1","v2.6.39","v3.0-rc2","v2.6.38","v2.6.39-rc2","v2.6.39-rc7","v2.6.39-rc5","v2.6.3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AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}