[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-DEBIAN-CVE-2021-46927":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-2021-46927","In the Linux kernel, the following vulnerability has been resolved:  nitro_enclaves: Use get_user_pages_unlocked() call to handle mmap assert  After commit 5b78ed24e8ec (\"mm/pagemap: add mmap_assert_locked() annotations to find_vma*()\"), the call to get_user_pages() will trigger the mmap assert.  static inline void mmap_assert_locked(struct mm_struct *mm) { \tlockdep_assert_held(&mm->mmap_lock); \tVM_BUG_ON_MM(!rwsem_is_locked(&mm->mmap_lock), mm); }  [   62.521410] kernel BUG at include/linux/mmap_lock.h:156! ........................................................... [   62.538938] RIP: 0010:find_vma+0x32/0x80 ........................................................... [   62.605889] Call Trace: [   62.608502]  \u003CTASK> [   62.610956]  ? lock_timer_base+0x61/0x80 [   62.614106]  find_extend_vma+0x19/0x80 [   62.617195]  __get_user_pages+0x9b/0x6a0 [   62.620356]  __gup_longterm_locked+0x42d/0x450 [   62.623721]  ? finish_wait+0x41/0x80 [   62.626748]  ? __kmalloc+0x178/0x2f0 [   62.629768]  ne_set_user_memory_region_ioctl.isra.0+0x225/0x6a0 [nitro_enclaves] [   62.635776]  ne_enclave_ioctl+0x1cf/0x6d7 [nitro_enclaves] [   62.639541]  __x64_sys_ioctl+0x82/0xb0 [   62.642620]  do_syscall_64+0x3b/0x90 [   62.645642]  entry_SYSCALL_64_after_hwframe+0x44/0xae  Use get_user_pages_unlocked() when setting the enclave memory regions. That's a similar pattern as mmap_read_lock() used together with get_user_pages().",null,[],[],[],[14],{"_key":15},"CVE-2021-46927",[],[],[],"2024-02-27T10:15:07.410Z","2026-04-28T20:23:13.999487Z",{"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-2021-46927",[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},5.5,"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",6,4.6,[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",[46,52,53],{"version":47,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":50,"version_end_type":51,"fixed_in":9},"lt5_15_15_1",true,"ecosystem","5.15.15-1","excluding",{"version":47,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":50,"version_end_type":51,"fixed_in":9},{"version":47,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":50,"version_end_type":51,"fixed_in":9}]