[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-DEBIAN-CVE-2022-49390":6},{"stargazers_count":4,"fetched_at":5},7,"2026-06-04T08:53:30.047Z",{"id":7,"descriptions":8,"cisa":9,"weaknesses":10,"exploits":11,"aliases":12,"duplicate_of":9,"upstream":13,"downstream":16,"duplicates":17,"related":18,"reserved_at":9,"published_at":19,"modified_at":20,"state":9,"summary":21,"references_raw":23,"kevs":30,"epss":9,"epss_history":31,"metrics":32,"affected":39},"DEBIAN-CVE-2022-49390","In the Linux kernel, the following vulnerability has been resolved:  macsec: fix UAF bug for real_dev  Create a new macsec device but not get reference to real_dev. That can not ensure that real_dev is freed after macsec. That will trigger the UAF bug for real_dev as following:  ================================================================== BUG: KASAN: use-after-free in macsec_get_iflink+0x5f/0x70 drivers/net/macsec.c:3662 Call Trace:  ...  macsec_get_iflink+0x5f/0x70 drivers/net/macsec.c:3662  dev_get_iflink+0x73/0xe0 net/core/dev.c:637  default_operstate net/core/link_watch.c:42 [inline]  rfc2863_policy+0x233/0x2d0 net/core/link_watch.c:54  linkwatch_do_dev+0x2a/0x150 net/core/link_watch.c:161  Allocated by task 22209:  ...  alloc_netdev_mqs+0x98/0x1100 net/core/dev.c:10549  rtnl_create_link+0x9d7/0xc00 net/core/rtnetlink.c:3235  veth_newlink+0x20e/0xa90 drivers/net/veth.c:1748  Freed by task 8:  ...  kfree+0xd6/0x4d0 mm/slub.c:4552  kvfree+0x42/0x50 mm/util.c:615  device_release+0x9f/0x240 drivers/base/core.c:2229  kobject_cleanup lib/kobject.c:673 [inline]  kobject_release lib/kobject.c:704 [inline]  kref_put include/linux/kref.h:65 [inline]  kobject_put+0x1c8/0x540 lib/kobject.c:721  netdev_run_todo+0x72e/0x10b0 net/core/dev.c:10327  After commit faab39f63c1f (\"net: allow out-of-order netdev unregistration\") and commit e5f80fcf869a (\"ipv6: give an IPv6 dev to blackhole_netdev\"), we can add dev_hold_track() in macsec_dev_init() and dev_put_track() in macsec_free_netdev() to fix the problem.",null,[],[],[],[14],{"_key":15},"CVE-2022-49390",[],[],[],"2025-02-26T07:01:15.620Z","2026-04-28T20:25:10.784240Z",{"cisa_kev":22,"cisa_ransomware":22,"cisa_vendor":9,"epss_severity":9,"epss_score":9,"severity":9,"severity_score":9,"severity_version":9,"severity_source":9,"severity_vector":9,"severity_status":9},false,[24],{"url":25,"sources":26,"tags":28},"https://security-tracker.debian.org/tracker/CVE-2022-49390",[27],"osv_debian",[29],"Advisory",[],[],[33],{"source":27,"cvss_v2_0":9,"cvss_v3_0":9,"cvss_v3_1":34,"cvss_v4_0":9},{"baseScore":35,"baseSeverity":9,"vectorString":36,"impactScore":37,"exploitabilityScore":38},7.8,"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",9.8,4.6,[40],{"ecosystem":41,"name":42,"vendor":43,"product":42,"cpe_part":9,"purl_type":44,"purl_namespace":43,"purl_name":42,"source":9,"versions":45},"Debian","linux","debian","deb",[46,50,54,55],{"version":47,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},"all",true,"ecosystem",{"version":51,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":52,"version_end_type":53,"fixed_in":9},"lt5_18_5_1","5.18.5-1","excluding",{"version":51,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":52,"version_end_type":53,"fixed_in":9},{"version":51,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":52,"version_end_type":53,"fixed_in":9}]