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CVE-2024-31948

In FRRouting (FRR) through 9.1, an attacker using a malformed Prefix SID attribute in a BGP...

6.5 MediumFix available

In FRRouting (FRR) through 9.1, an attacker using a malformed Prefix SID attribute in a BGP UPDATE packet can cause the bgpd daemon to crash.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

0.83%Up 0.8 points since Apr 8, 2024
90%50%10%1%

What each source reports

CVE List Score used 6.5

In FRRouting (FRR) through 9.1, an attacker using a malformed Prefix SID attribute in a BGP UPDATE packet can cause the bgpd daemon to crash.

Record
CVE-2024-31948
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-1287
Updated
2026-11-02
EUVDEUVD-2024-29806 6.5

In FRRouting (FRR) through 9.1, an attacker using a malformed Prefix SID attribute in a BGP UPDATE packet can cause the bgpd daemon to crash.

Record
EUVD-2024-29806
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-56vm-qxhc-5p2f 6.5

In FRRouting (FRR) through 9.1, an attacker using a malformed Prefix SID attribute in a BGP...

In FRRouting (FRR) through 9.1, an attacker using a malformed Prefix SID attribute in a BGP UPDATE packet can cause the bgpd daemon to crash.

Record
GHSA-56vm-qxhc-5p2f
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-1287
Updated
2026-11-02
NVD 6.5

In FRRouting (FRR) through 9.1, an attacker using a malformed Prefix SID attribute in a BGP UPDATE packet can cause the bgpd daemon to crash.

Record
CVE-2024-31948
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-1287
Updated
2026-11-02
OSV 6.5

In FRRouting (FRR) through 9.1, an attacker using a malformed Prefix SID attribute in a BGP UPDATE packet can cause the bgpd daemon to crash.

Record
CVE-2024-31948
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2024-31948 6.5

In FRRouting (FRR) through 9.1, an attacker using a malformed Prefix SID attribute in a BGP UPDATE packet can cause the bgpd daemon to crash.

Record
DEBIAN-CVE-2024-31948
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 7 moreShow less
OSVUBUNTU-CVE-2024-31948 6.5

In FRRouting (FRR) through 9.1, an attacker using a malformed Prefix SID attribute in a BGP UPDATE packet can cause the bgpd daemon to crash.

Record
UBUNTU-CVE-2024-31948
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVopenSUSE-SU-2024:13860-1 No score

frr-8.4-10.1 on GA media

These are all security issues fixed in the frr-8.4-10.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:13860-1
Updated
2026-11-02
OSVSUSE-SU-2024:1453-1 No score

Security update for frr

This update for frr fixes the following issues:

  • CVE-2024-27913: Fixed a denial of service issue via a malformed OSPF LSA packet (bsc#1220548).
  • CVE-2024-31948: Fixed denial of service due to malformed Prefix SID attribute in BGP Update packet (bsc#1222518).
Record
SUSE-SU-2024:1453-1
Updated
2026-11-02
OSVSUSE-SU-2024:1475-1 No score

Security update for frr

This update for frr fixes the following issues:

  • CVE-2024-31948: Fixed denial of service due to malformed Prefix SID attribute in BGP Update packet (bsc#1222518)
Record
SUSE-SU-2024:1475-1
Updated
2026-11-02
OSVSUSE-SU-2024:4090-1 No score

Security update for frr

This update for frr fixes the following issues:

Update to frr 8.5.6 (jsc#PED-PED-11092) including fixes for:

  • CVE-2024-44070,CVE-2024-34088,CVE-2024-31951,CVE-2024-31950, CVE-2024-31948,CVE-2024-27913,CVE-2023-47235,CVE-2023-47234, CVE-2023-46753,CVE-2023-46752,CVE-2023-41909,CVE-2023-41360, CVE-2023-41358,CVE-2023-38802,CVE-2023-38407,CVE-2023-38406, CVE-2023-3748,CVE-2023-31490,CVE-2023-31489 and other bugfixes. See https://frrouting.org/release/8.5.6/ for details.

The most recent frr 8.x series provides several new features, improvements and bug fixes for various protocols and daemons, especially for PIM/PIMv6/BGP and VRF support.

See https://frrouting.org/release/8.5/ for details and links.

Record
SUSE-SU-2024:4090-1
Updated
2026-11-02
OSVUSN-6794-1 No score

frr vulnerabilities

It was discovered that FRR incorrectly handled certain malformed BGP and OSPF packets. A remote attacker could use this issue to cause FRR to crash, resulting in a denial of service, or possibly execute arbitrary code.

Record
USN-6794-1
Updated
2026-11-02
OSVUSN-6807-1 No score

frr vulnerabilities

It was discovered that FRR incorrectly handled certain network traffic. A remote attacker could possibly use this issue to cause FRR to crash, resulting in a denial of service. (CVE-2022-26126, CVE-2022-26127, CVE-2022-26128, CVE-2022-26129, CVE-2022-37032, CVE-2022-37035, CVE-2023-31490, CVE-2023-38406, CVE-2023-38407, CVE-2023-46752, CVE-2023-46753, CVE-2023-47234, CVE-2023-47235, CVE-2024-31948)

Ben Cartwright-Cox discovered that FRR incorrectly handled certain network traffic. A remote attacker could possibly use this issue to cause FRR to crash, resulting in a denial of service. (CVE-2023-38802)

Record
USN-6807-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
frr
Debian:12
 All versions, plus listed versions
10.0-0.110.0-0.210.0-110.0-210.0.1-0.1
Show 45 moreShow less
10.1-0.110.1-0.210.1.1-0.110.1.1-110.1.1-210.1.1-310.2-110.2-210.2.1-110.2.1-210.2.1-310.2.1-410.2.1-510.2.1-610.3-110.3-210.3-310.3-410.3-510.3.1-110.3.1-210.3.1-310.3.1-410.4.0-110.4.1-110.4.1-210.4.1-310.5.0-110.5.0-210.5.1-110.5.1-210.5.1-310.5.2-110.5.3-110.6.0-110.6.0-210.6.1-110.6.1-210.6.1-310.7.0-110.7.0-210.7.1-110.7.1-210.7.1-310.7.1-4
 None known
frr
Debian:13
 before 10.0.1-0.1
10.0.1-0.1
frr
Debian:14
 before 10.0.1-0.1
10.0.1-0.1
frr
Debian:10
From an advisory covering 14 CVEs
 before 7.5.1-1.1+deb10u2, plus listed versions
6.0.2-26.0.2-2+deb10u16.0.2-2+deb10u27.2-17.2.1-1
Show 8 moreShow less
7.3.1-17.4-17.4-1.17.4-27.5-17.5.1-17.5.1-1.17.5.1-1.1+deb10u1
7.5.1-1.1+deb10u2
frr
Debian:11
From an advisory covering 16 CVEs
 before 7.5.1-1.1+deb11u3, plus listed versions
7.5.1-1.17.5.1-1.1+deb11u17.5.1-1.1+deb11u2
7.5.1-1.1+deb11u3
frr
SUSE:Linux Enterprise Module for Server Applications 15 SP5
From an advisory covering 2 CVEs
 before 8.4-150500.4.20.1
8.4-150500.4.20.1
frr
openSUSE:Leap 15.5
From an advisory covering 2 CVEs
 before 8.4-150500.4.20.1
8.4-150500.4.20.1
frr
SUSE:Linux Enterprise High Performance Computing 15 SP3-LTSS
 before 7.4-150300.4.23.1
7.4-150300.4.23.1
frr
SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS
 before 7.4-150300.4.23.1
7.4-150300.4.23.1
frr
SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS
 before 7.4-150300.4.23.1
7.4-150300.4.23.1
Show 18 moreShow less
Affected packages
PackageAffectedFixed
frr
SUSE:Linux Enterprise Server 15 SP3-LTSS
 before 7.4-150300.4.23.1
7.4-150300.4.23.1
frr
SUSE:Linux Enterprise Server 15 SP4-LTSS
 before 7.4-150300.4.23.1
7.4-150300.4.23.1
frr
SUSE:Linux Enterprise Server for SAP Applications 15 SP3
 before 7.4-150300.4.23.1
7.4-150300.4.23.1
frr
SUSE:Linux Enterprise Server for SAP Applications 15 SP4
 before 7.4-150300.4.23.1
7.4-150300.4.23.1
frr
SUSE:Manager Proxy 4.3
 before 7.4-150300.4.23.1
7.4-150300.4.23.1
frr
SUSE:Manager Server 4.3
 before 7.4-150300.4.23.1
7.4-150300.4.23.1
frr
SUSE:Enterprise Storage 7.1
 before 7.4-150300.4.23.1
7.4-150300.4.23.1
frr
SUSE:Linux Enterprise Module for Server Applications 15 SP5
From an advisory covering 19 CVEs
 before 8.5.6-150500.4.30.1
8.5.6-150500.4.30.1
frr
SUSE:Linux Enterprise Module for Server Applications 15 SP6
From an advisory covering 19 CVEs
 before 8.5.6-150500.4.30.1
8.5.6-150500.4.30.1
frr
openSUSE:Leap 15.5
From an advisory covering 19 CVEs
 before 8.5.6-150500.4.30.1
8.5.6-150500.4.30.1
frr
openSUSE:Leap 15.6
From an advisory covering 19 CVEs
 before 8.5.6-150500.4.30.1
8.5.6-150500.4.30.1
frr
Ubuntu:Pro:20.04:LTS
 before 7.2.1-1ubuntu0.2+esm2, plus listed versions
6.0.2-2build27.2-1ubuntu17.2-1ubuntu27.2.1-17.2.1-1ubuntu0.17.2.1-1ubuntu0.27.2.1-1ubuntu0.2+esm1
7.2.1-1ubuntu0.2+esm2
frr
Ubuntu:22.04:LTS
 before 8.1-1ubuntu1.10, plus listed versions
7.5.1-1.18.1-18.1-1ubuntu18.1-1ubuntu1.18.1-1ubuntu1.2
Show 7 moreShow less
8.1-1ubuntu1.38.1-1ubuntu1.48.1-1ubuntu1.58.1-1ubuntu1.68.1-1ubuntu1.78.1-1ubuntu1.88.1-1ubuntu1.9
8.1-1ubuntu1.10
frr
Ubuntu:24.04:LTS
 before 8.4.4-1.1ubuntu6.1, plus listed versions
8.4.4-1.1ubuntu18.4.4-1.1ubuntu38.4.4-1.1ubuntu48.4.4-1.1ubuntu58.4.4-1.1ubuntu6
8.4.4-1.1ubuntu6.1
frr
Ubuntu:22.04:LTS
From an advisory covering 4 CVEs
 before 8.1-1ubuntu1.10, plus listed versions
7.5.1-1.18.1-18.1-1ubuntu18.1-1ubuntu1.18.1-1ubuntu1.2
Show 7 moreShow less
8.1-1ubuntu1.38.1-1ubuntu1.48.1-1ubuntu1.58.1-1ubuntu1.68.1-1ubuntu1.78.1-1ubuntu1.88.1-1ubuntu1.9
8.1-1ubuntu1.10
frr
Ubuntu:24.04:LTS
From an advisory covering 4 CVEs
 before 8.4.4-1.1ubuntu6.1, plus listed versions
8.4.4-1.1ubuntu18.4.4-1.1ubuntu38.4.4-1.1ubuntu48.4.4-1.1ubuntu58.4.4-1.1ubuntu6
8.4.4-1.1ubuntu6.1
frr
Ubuntu:Pro:20.04:LTS
From an advisory covering 15 CVEs
 before 7.2.1-1ubuntu0.2+esm2, plus listed versions
6.0.2-2build27.2-1ubuntu17.2-1ubuntu27.2.1-17.2.1-1ubuntu0.17.2.1-1ubuntu0.27.2.1-1ubuntu0.2+esm1
7.2.1-1ubuntu0.2+esm2
frr
openSUSE:Tumbleweed
 before 8.4-10.1
8.4-10.1

History

History
RecordedChangedSources
affected, facts
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2024-31948 is a medium vulnerability (CVSS 6.5) in Frrouting, published April 7, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.83%, the 57th percentile. Fixed in frr 10.0.1-0.1.

References

Show 47 moreShow less
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Left out here: 8 versions. The JSON record has them.

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