7.8

CVE-2021-27365

Exploit
An issue was discovered in the Linux kernel through 5.11.3. Certain iSCSI data structures do not have appropriate length constraints or checks, and can exceed the PAGE_SIZE value. An unprivileged user can send a Netlink message that is associated with iSCSI, and has a length up to the maximum length of a Netlink message.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version <= 5.11.3
Debian ≫ Debian Linux Version9.0
Oracle ≫ Tekelec Platform Distribution Version >= 7.4.0 <= 7.7.1
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 2.08% 0.791
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 4.6 3.9 6.4
AV:L/AC:L/Au:N/C:P/I:P/A:P
CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

https://www.oracle.com/security-alerts/cpuoct2021.html
Patch
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html
Third Party Advisory
Mailing List
http://packetstormsecurity.com/files/162117/Kernel-Live-Patch-Security-Notice-LSN-0075-1.html
Third Party Advisory
VDB Entry
https://lists.debian.org/debian-lts-announce/2021/03/msg00035.html
Third Party Advisory
Mailing List
https://security.netapp.com/advisory/ntap-20210409-0001/
Third Party Advisory
https://blog.grimm-co.com/2021/03/new-old-bugs-in-linux-kernel.html
Third Party Advisory
Exploit
https://www.openwall.com/lists/oss-security/2021/03/06/1
Third Party Advisory
Mailing List
https://bugzilla.suse.com/show_bug.cgi?id=1182715
Third Party Advisory
Issue Tracking
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ec98ea7070e94cc25a422ec97d1421e28d97b7ee
Patch
Vendor Advisory
Mailing List
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f9dbdf97a5bd92b1a49cee3d591b55b11fd7a6d5
Patch
Vendor Advisory
Mailing List