[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-DEBIAN-CVE-2024-26870":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":21,"related":22,"reserved_at":9,"published_at":23,"modified_at":24,"state":9,"summary":25,"references_raw":27,"kevs":34,"epss":9,"epss_history":35,"metrics":36,"affected":43},"DEBIAN-CVE-2024-26870","In the Linux kernel, the following vulnerability has been resolved:  NFSv4.2: fix nfs4_listxattr kernel BUG at mm/usercopy.c:102  A call to listxattr() with a buffer size = 0 returns the actual size of the buffer needed for a subsequent call. When size > 0, nfs4_listxattr() does not return an error because either generic_listxattr() or nfs4_listxattr_nfs4_label() consumes exactly all the bytes then size is 0 when calling nfs4_listxattr_nfs4_user() which then triggers the following kernel BUG:    [   99.403778] kernel BUG at mm/usercopy.c:102!   [   99.404063] Internal error: Oops - BUG: 00000000f2000800 [#1] SMP   [   99.408463] CPU: 0 PID: 3310 Comm: python3 Not tainted 6.6.0-61.fc40.aarch64 #1   [   99.415827] Call trace:   [   99.415985]  usercopy_abort+0x70/0xa0   [   99.416227]  __check_heap_object+0x134/0x158   [   99.416505]  check_heap_object+0x150/0x188   [   99.416696]  __check_object_size.part.0+0x78/0x168   [   99.416886]  __check_object_size+0x28/0x40   [   99.417078]  listxattr+0x8c/0x120   [   99.417252]  path_listxattr+0x78/0xe0   [   99.417476]  __arm64_sys_listxattr+0x28/0x40   [   99.417723]  invoke_syscall+0x78/0x100   [   99.417929]  el0_svc_common.constprop.0+0x48/0xf0   [   99.418186]  do_el0_svc+0x24/0x38   [   99.418376]  el0_svc+0x3c/0x110   [   99.418554]  el0t_64_sync_handler+0x120/0x130   [   99.418788]  el0t_64_sync+0x194/0x198   [   99.418994] Code: aa0003e3 d000a3e0 91310000 97f49bdb (d4210000)  Issue is reproduced when generic_listxattr() returns 'system.nfs4_acl', thus calling lisxattr() with size = 16 will trigger the bug.  Add check on nfs4_listxattr() to return ERANGE error when it is called with size > 0 and the return value is greater than size.",null,[],[],[],[14],{"_key":15},"CVE-2024-26870",[17,19],{"_key":18},"DLA-3842-1",{"_key":20},"DSA-5681-1",[],[],"2024-04-17T11:15:09.460Z","2026-04-28T20:27:43.403151Z",{"cisa_kev":26,"cisa_ransomware":26,"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,[28],{"url":29,"sources":30,"tags":32},"https://security-tracker.debian.org/tracker/CVE-2024-26870",[31],"osv_debian",[33],"Advisory",[],[],[37],{"source":31,"cvss_v2_0":9,"cvss_v3_0":9,"cvss_v3_1":38,"cvss_v4_0":9},{"baseScore":39,"baseSeverity":9,"vectorString":40,"impactScore":41,"exploitabilityScore":42},5.5,"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",6,4.6,[44],{"ecosystem":45,"name":46,"vendor":47,"product":46,"cpe_part":9,"purl_type":48,"purl_namespace":47,"purl_name":46,"source":9,"versions":49},"Debian","linux","debian","deb",[50,56,59,62],{"version":51,"is_range":52,"range_type":53,"version_start":9,"version_start_type":9,"version_end":54,"version_end_type":55,"fixed_in":9},"lt5_10_216_1",true,"ecosystem","5.10.216-1","excluding",{"version":57,"is_range":52,"range_type":53,"version_start":9,"version_start_type":9,"version_end":58,"version_end_type":55,"fixed_in":9},"lt6_1_85_1","6.1.85-1",{"version":60,"is_range":52,"range_type":53,"version_start":9,"version_start_type":9,"version_end":61,"version_end_type":55,"fixed_in":9},"lt6_7_12_1","6.7.12-1",{"version":60,"is_range":52,"range_type":53,"version_start":9,"version_start_type":9,"version_end":61,"version_end_type":55,"fixed_in":9}]