{"id":"CVE-2024-47749","summary":"RDMA/cxgb4: Added NULL check for lookup_atid","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/cxgb4: Added NULL check for lookup_atid\n\nThe lookup_atid() function can return NULL if the ATID is\ninvalid or does not exist in the identifier table, which\ncould lead to dereferencing a null pointer without a\ncheck in the `act_establish()` and `act_open_rpl()` functions.\nAdd a NULL check to prevent null pointer dereferencing.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE.","modified":"2026-03-20T12:39:14.712556Z","published":"2024-10-21T12:14:15.126Z","related":["MGASA-2024-0344","MGASA-2024-0345","SUSE-SU-2024:3984-1","SUSE-SU-2024:3986-1","SUSE-SU-2024:4100-1","SUSE-SU-2024:4315-1","SUSE-SU-2024:4318-1","SUSE-SU-2024:4364-1","SUSE-SU-2024:4376-1","SUSE-SU-2024:4387-1","SUSE-SU-2025:0034-1","SUSE-SU-2025:20163-1","SUSE-SU-2025:20164-1","SUSE-SU-2025:20246-1","SUSE-SU-2025:20247-1","USN-7276-1","USN-7277-1","openSUSE-SU-2024:14500-1","openSUSE-SU-2025:14705-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/47xxx/CVE-2024-47749.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0d50ae281a1712b9b2ca72830a96b8f11882358d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/39cb9f39913566ec5865581135f3e8123ad1aee1"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4e1fe68d695af367506ea3c794c5969630f21697"},{"type":"WEB","url":"https://git.kernel.org/stable/c/54aaa3ed40972511e423b604324b881425b9ff1e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b11318dc8a1ec565300bb1a9073095af817cc508"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b12e25d91c7f97958341538c7dc63ee49d01548f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b9c94c8ba5a713817cffd74c4bacc05187469624"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dd598ac57dcae796cb58551074660c39b43fb155"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e766e6a92410ca269161de059fff0843b8ddd65f"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/47xxx/CVE-2024-47749.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-47749"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"cfdda9d764362ab77b11a410bb928400e6520d57"},{"fixed":"b12e25d91c7f97958341538c7dc63ee49d01548f"},{"fixed":"4e1fe68d695af367506ea3c794c5969630f21697"},{"fixed":"dd598ac57dcae796cb58551074660c39b43fb155"},{"fixed":"b11318dc8a1ec565300bb1a9073095af817cc508"},{"fixed":"39cb9f39913566ec5865581135f3e8123ad1aee1"},{"fixed":"0d50ae281a1712b9b2ca72830a96b8f11882358d"},{"fixed":"54aaa3ed40972511e423b604324b881425b9ff1e"},{"fixed":"b9c94c8ba5a713817cffd74c4bacc05187469624"},{"fixed":"e766e6a92410ca269161de059fff0843b8ddd65f"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-47749.json"}}],"schema_version":"1.7.5"}