Issued:

2024-04-30

Updated:

2024-04-30

RHSA-2024:2156 - Moderate: frr security update

Synopsis

Moderate: frr security update

Type/Severity

Security Advisory Moderate

Topic

An update for frr is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

FRRouting is free software that manages TCP/IP based routing protocols. It supports BGP4, OSPFv2, OSPFv3, ISIS, RIP, RIPng, PIM, NHRP, PBR, EIGRP and BFD.

Security Fix(es):

• frr: incorrect length check in bgp_capability_llgr() can lead do DoS (CVE-2023-31489)

• frr: missing length check in bgp_attr_psid_sub() can lead do DoS (CVE-2023-31490)

• frr: processes invalid NLRIs if attribute length is zero (CVE-2023-41358)

• frr: out of bounds read in bgp_attr_aigp_valid (CVE-2023-41359)

• frr: NULL pointer dereference in bgp_nlri_parse_flowspec() in bgpd/bgp_flowspec.c (CVE-2023-41909)

• frr: mishandled malformed data leading to a crash (CVE-2023-46752)

• frr: crafted BGP UPDATE message leading to a crash (CVE-2023-46753)

• frr: ahead-of-stream read of ORF header (CVE-2023-41360)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.4 Release Notes linked from the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

Updated Packages

• frr-8.5.3-4.el9.s390x.rpm
• frr-selinux-8.5.3-4.el9.noarch.rpm
• frr-debuginfo-8.5.3-4.el9.x86_64.rpm
• frr-8.5.3-4.el9.src.rpm
• frr-debuginfo-8.5.3-4.el9.aarch64.rpm
• frr-debugsource-8.5.3-4.el9.ppc64le.rpm
• frr-debugsource-8.5.3-4.el9.s390x.rpm
• frr-8.5.3-4.el9.aarch64.rpm
• frr-8.5.3-4.el9.x86_64.rpm
• frr-debuginfo-8.5.3-4.el9.ppc64le.rpm
• frr-debugsource-8.5.3-4.el9.aarch64.rpm
• frr-8.5.3-4.el9.ppc64le.rpm
• frr-debuginfo-8.5.3-4.el9.s390x.rpm
• frr-debugsource-8.5.3-4.el9.x86_64.rpm

Fixes

• This content is not included.BZ - 2235839
• This content is not included.BZ - 2235840
• This content is not included.BZ - 2235842
• This content is not included.BZ - 2237416
• This content is not included.BZ - 2238990
• This content is not included.BZ - 2238992
• This content is not included.BZ - 2246379
• This content is not included.BZ - 2246381
• This content is not included.RHEL-11664
• This content is not included.RHEL-15291

CVEs

• CVE-2023-31489
• CVE-2023-31490
• CVE-2023-41358
• CVE-2023-41359
• CVE-2023-41360
• CVE-2023-41909
• CVE-2023-46752
• CVE-2023-46753

References

• https://access.redhat.com/security/updates/classification/#moderate
• https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html/9.4_release_notes/index

Additional information

• The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
• Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.