7.8

CVE-2016-4557

The replace_map_fd_with_map_ptr function in kernel/bpf/verifier.c in the Linux kernel before 4.5.5 does not properly maintain an fd data structure, which allows local users to gain privileges or cause a denial of service (use-after-free) via crafted BPF instructions that reference an incorrect file descriptor.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 4.4 < 4.4.11
Linux ≫ Linux Kernel Version >= 4.5 < 4.5.5
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 10.2% 0.951
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 7.2 3.9 10
AV:L/AC:L/Au:N/C:C/I:C/A:C
Es wurden noch keine Informationen zu CWE veröffentlicht.
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html
Third Party Advisory
Mailing List
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5
Vendor Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8358b02bf67d3a5d8a825070e1aa73f25fb2e4c7
Vendor Advisory
http://www.openwall.com/lists/oss-security/2016/05/06/4
Third Party Advisory
Mailing List
https://bugs.chromium.org/p/project-zero/issues/detail?id=808
Third Party Advisory
https://bugs.debian.org/823603
Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1334307
Third Party Advisory
Issue Tracking
https://github.com/torvalds/linux/commit/8358b02bf67d3a5d8a825070e1aa73f25fb2e4c7
Vendor Advisory
https://www.exploit-db.com/exploits/40759/
Third Party Advisory
VDB Entry