CVEvulnerability

CVE-2021-27365

7.8 HIGH Published 2021-03-07 Modified 2026-07-30 Official page ↗
Status
Analyzed
Published
2021-03-07
Last modified
2026-07-30
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
4.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-787

Description

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.

Affected configurations

• netapp cloud backup • linux linux kernel (< 4.4.260) • linux linux kernel (>= 4.5 < 4.9.260) • linux linux kernel (>= 4.10 < 4.14.224) • linux linux kernel (>= 4.15 < 4.19.179) • linux linux kernel (>= 4.20 < 5.4.103) • linux linux kernel (>= 5.5 < 5.10.21) • linux linux kernel (>= 5.11 < 5.11.4) • debian debian linux 9.0 • oracle tekelec platform distribution (>= 7.4.0 <= 7.7.1) • netapp solidfire baseboard management controller firmware

Related

Weakness · CWE (1)

  • CWE-787 Out-of-bounds Write weakness

References