Read the docs
TI-2009-02580 Aliases CVE-2009-2698GHSA-x9j9-wxm6-8cvm

The udp_sendmsg function in the UDP implementation in (1) net/ipv4/udp.c and (2)…

Priority MEDIUM 44CWE-476Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-476.

Summary

The udp_sendmsg function in the UDP implementation in (1) net/ipv4/udp.c and (2) net/ipv6/udp.c in the Linux kernel before 2.6.19 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via vectors involving the MSG_MORE flag and a UDP socket.

Why it matters now

EPSS 0.07121 94th percentileScored 2026-11-07
Fix Fixed Red Hat: 5 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 20

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*before 2.6.19VulnerableLinux
cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:lts:*:*:*6.06VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:lts:*:*:*8.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:8.10:*:*:*:*:*:*:*8.10VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:*9.04VulnerableCanonical
cpe:2.3:o:suse:linux_enterprise_desktop:10:sp2:*:*:*:*:*:*10 sp2VulnerableSUSE
cpe:2.3:o:suse:linux_enterprise_server:9:*:*:*:*:*:*:*9VulnerableSUSE
cpe:2.3:o:suse:linux_enterprise_server:10:sp2:*:*:*:*:*:*10 sp2VulnerableSUSE
cpe:2.3:o:fedoraproject:fedora:10:*:*:*:*:*:*:*10VulnerableFedoraproject
cpe:2.3:o:redhat:enterprise_linux_desktop:4.0:*:*:*:*:*:*:*4.0VulnerableRed Hat
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 2.6.19 Vulnerable ·Linux
  • cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:lts:*:*:* Versions 6.06 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:lts:*:*:* Versions 8.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:8.10:*:*:*:*:*:*:* Versions 8.10 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:* Versions 9.04 Vulnerable ·Canonical
  • cpe:2.3:o:suse:linux_enterprise_desktop:10:sp2:*:*:*:*:*:* Versions 10 sp2 Vulnerable ·SUSE
  • cpe:2.3:o:suse:linux_enterprise_server:9:*:*:*:*:*:*:* Versions 9 Vulnerable ·SUSE
  • cpe:2.3:o:suse:linux_enterprise_server:10:sp2:*:*:*:*:*:* Versions 10 sp2 Vulnerable ·SUSE
  • cpe:2.3:o:fedoraproject:fedora:10:*:*:*:*:*:*:* Versions 10 Vulnerable ·Fedoraproject
  • cpe:2.3:o:redhat:enterprise_linux_desktop:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Red Hat
Show 10 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*5.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_eus:4.8:*:*:*:*:*:*:*4.8VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_eus:5.3:*:*:*:*:*:*:*5.3VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:4.0:*:*:*:*:*:*:*4.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*5.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:5.3:*:*:*:*:*:*:*5.3VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:4.0:*:*:*:*:*:*:*4.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*5.0VulnerableRed Hat
cpe:2.3:a:vmware:vcenter_server:4.0:-:*:*:*:*:*:*4.0VulnerableVMware
cpe:2.3:o:vmware:esxi:4.0:*:*:*:*:*:*:*4.0VulnerableVMware
  • cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_eus:4.8:*:*:*:*:*:*:* Versions 4.8 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_eus:5.3:*:*:*:*:*:*:* Versions 5.3 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_aus:5.3:*:*:*:*:*:*:* Versions 5.3 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
  • cpe:2.3:a:vmware:vcenter_server:4.0:-:*:*:*:*:*:* Versions 4.0 Vulnerable ·VMware
  • cpe:2.3:o:vmware:esxi:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·VMware

Remediation

Red Hat 5 advisories

  • RHSA-2009:1469 Released 2009-09-30 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux AS EUS (v. 4.7) kernel-2.6.9-78.0.27.EL, kernel-2.6.9-78.0.27.EL.ia64, kernel-2.6.9-78.0.27.EL.ppc64iseries +14
    • Red Hat Enterprise Linux ES EUS (v. 4.7) kernel-2.6.9-78.0.27.EL, kernel-2.6.9-78.0.27.EL.ia64, kernel-devel-2.6.9-78.0.27.EL +12
  • RHSA-2009:1457 Released 2009-09-22 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux EUS (v. 5.2 server) kernel-2.6.18-92.1.28.el5, kernel-2.6.18-92.1.28.el5.ia64, kernel-PAE-2.6.18-92.1.28.el5 +18
  • RHSA-2009:1233 Released 2009-08-27 · Red Hat rating Important
    kernel security update
    • Red Hat Desktop version 3 kernel-2.4.21-60.EL, kernel-2.4.21-60.EL.athlon, kernel-2.4.21-60.EL.ia32e +14
    • Red Hat Enterprise Linux AS version 3 kernel-2.4.21-60.EL, kernel-2.4.21-60.EL.athlon, kernel-2.4.21-60.EL.ia32e +22
    • Red Hat Enterprise Linux ES version 3 kernel-2.4.21-60.EL, kernel-2.4.21-60.EL.athlon, kernel-2.4.21-60.EL.ia32e +18
    • Red Hat Enterprise Linux WS version 3 kernel-2.4.21-60.EL, kernel-2.4.21-60.EL.athlon, kernel-2.4.21-60.EL.ia32e +18
Show 2 more Red Hat advisories
  • RHSA-2009:1223 Released 2009-08-24 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux AS version 4 kernel-2.6.9-89.0.9.EL, kernel-2.6.9-89.0.9.EL.ia64, kernel-2.6.9-89.0.9.EL.ppc64iseries +14
    • Red Hat Enterprise Linux Desktop version 4 kernel-2.6.9-89.0.9.EL, kernel-devel-2.6.9-89.0.9.EL, kernel-doc-2.6.9-89.0.9.EL +8
    • Red Hat Enterprise Linux ES version 4 kernel-2.6.9-89.0.9.EL, kernel-2.6.9-89.0.9.EL.ia64, kernel-devel-2.6.9-89.0.9.EL +12
    • Red Hat Enterprise Linux WS version 4 kernel-2.6.9-89.0.9.EL, kernel-2.6.9-89.0.9.EL.ia64, kernel-devel-2.6.9-89.0.9.EL +12
  • RHSA-2009:1222 Released 2009-08-24 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux (v. 5 server) kernel-2.6.18-128.7.1.el5, kernel-2.6.18-128.7.1.el5.ia64, kernel-PAE-2.6.18-128.7.1.el5 +18
    • Red Hat Enterprise Linux Desktop (v. 5 client) kernel-2.6.18-128.7.1.el5, kernel-PAE-2.6.18-128.7.1.el5, kernel-PAE-devel-2.6.18-128.7.1.el5 +8

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Desktop version 3Fixed RHSA-2009:1233
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2009:1222
Red Hat Enterprise Linux AS EUS (v. 4.7)Fixed RHSA-2009:1469
Red Hat Enterprise Linux AS version 3Fixed RHSA-2009:1233
Red Hat Enterprise Linux AS version 4Fixed RHSA-2009:1223
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2009:1222
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2009:1223
Red Hat Enterprise Linux ES EUS (v. 4.7)Fixed RHSA-2009:1469
Red Hat Enterprise Linux ES version 3Fixed RHSA-2009:1233
Red Hat Enterprise Linux ES version 4Fixed RHSA-2009:1223
Red Hat Enterprise Linux EUS (v. 5.2 server)Fixed RHSA-2009:1457
Red Hat Enterprise Linux WS version 3Fixed RHSA-2009:1233
Red Hat Enterprise Linux WS version 4Fixed RHSA-2009:1223

Timeline

  1. 2026-10-02 Threatist record created from CVE-2009-2698
  2. 2026-10-03 Alias added: GHSA-x9j9-wxm6-8cvm

References

Advisory 13

Other 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences