[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-DEBIAN-CVE-2023-52503":6},{"stargazers_count":4,"fetched_at":5},7,"2026-06-04T14:53:31.930Z",{"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":38},"DEBIAN-CVE-2023-52503","In the Linux kernel, the following vulnerability has been resolved:  tee: amdtee: fix use-after-free vulnerability in amdtee_close_session  There is a potential race condition in amdtee_close_session that may cause use-after-free in amdtee_open_session. For instance, if a session has refcount == 1, and one thread tries to free this session via:      kref_put(&sess->refcount, destroy_session);  the reference count will get decremented, and the next step would be to call destroy_session(). However, if in another thread, amdtee_open_session() is called before destroy_session() has completed execution, alloc_session() may return 'sess' that will be freed up later in destroy_session() leading to use-after-free in amdtee_open_session.  To fix this issue, treat decrement of sess->refcount and removal of 'sess' from session list in destroy_session() as a critical section, so that it is executed atomically.",null,[],[],[],[14],{"_key":15},"CVE-2023-52503",[],[],[],"2024-03-02T22:15:47.250Z","2026-04-28T20:26:42.434739Z",{"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-2023-52503",[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":4,"baseSeverity":9,"vectorString":35,"impactScore":36,"exploitabilityScore":37},"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",9.8,2.6,[39],{"ecosystem":40,"name":41,"vendor":42,"product":41,"cpe_part":9,"purl_type":43,"purl_namespace":42,"purl_name":41,"source":9,"versions":44},"Debian","linux","debian","deb",[45,51,54,57],{"version":46,"is_range":47,"range_type":48,"version_start":9,"version_start_type":9,"version_end":49,"version_end_type":50,"fixed_in":9},"lt5_10_205_1",true,"ecosystem","5.10.205-1","excluding",{"version":52,"is_range":47,"range_type":48,"version_start":9,"version_start_type":9,"version_end":53,"version_end_type":50,"fixed_in":9},"lt6_1_64_1","6.1.64-1",{"version":55,"is_range":47,"range_type":48,"version_start":9,"version_start_type":9,"version_end":56,"version_end_type":50,"fixed_in":9},"lt6_5_8_1","6.5.8-1",{"version":55,"is_range":47,"range_type":48,"version_start":9,"version_start_type":9,"version_end":56,"version_end_type":50,"fixed_in":9}]