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cloudlinuxCloudLinuxCLSA-2021:1632261664
HistorySep 21, 2021 - 10:01 p.m.

Fix of CVE: CVE-2021-27364, CVE-2021-27363, CVE-2021-27365

2021-09-2122:01:04
repo.cloudlinux.com
28

4.6 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

0.001 Low

EPSS

Percentile

39.3%

  • CVE-2021-27365: scsi: iscsi: Ensure sysfs attributes are limited to PAGE_SIZE
  • CVE-2021-27365: scsi: iscsi: Verify lengths on passthrough PDUs
  • CVE-2021-27363: CVE-2021-27364: scsi: iscsi: Restrict sessions and handles to admin capabilities
  • sysfs: Add sysfs_emit and sysfs_emit_at to format sysfs output

4.6 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

0.001 Low

EPSS

Percentile

39.3%