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centosCentOS ProjectCESA-2009:1233
HistoryAug 28, 2009 - 10:30 p.m.

kernel security update

2009-08-2822:30:59
CentOS Project
lists.centos.org
80

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

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.0005 Low

EPSS

Percentile

15.7%

CentOS Errata and Security Advisory CESA-2009:1233

The kernel packages contain the Linux kernel, the core of any Linux
operating system.

These updated packages fix the following security issues:

  • a flaw was found in the SOCKOPS_WRAP macro in the Linux kernel. This
    macro did not initialize the sendpage operation in the proto_ops structure
    correctly. A local, unprivileged user could use this flaw to cause a local
    denial of service or escalate their privileges. (CVE-2009-2692, Important)

  • a flaw was found in the udp_sendmsg() implementation in the Linux kernel
    when using the MSG_MORE flag on UDP sockets. A local, unprivileged user
    could use this flaw to cause a local denial of service or escalate their
    privileges. (CVE-2009-2698, Important)

Red Hat would like to thank Tavis Ormandy and Julien Tinnes of the Google
Security Team for responsibly reporting these flaws.

All Red Hat Enterprise Linux 3 users should upgrade to these updated
packages, which contain backported patches to resolve these issues. The
system must be rebooted for this update to take effect.

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2009-August/078279.html
https://lists.centos.org/pipermail/centos-announce/2009-August/078280.html

Affected packages:
kernel
kernel-BOOT
kernel-doc
kernel-hugemem
kernel-hugemem-unsupported
kernel-smp
kernel-smp-unsupported
kernel-source
kernel-unsupported

Upstream details at:
https://access.redhat.com/errata/RHSA-2009:1233

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

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.0005 Low

EPSS

Percentile

15.7%