CVE-2022-44793: debian debian_linux NULL Pointer Dereference
Vulnerability summary
CVE-2022-44793 is a medium (CVSS 6.5) NULL Pointer Dereference vulnerability in debian debian_linux. EPSS estimates a 53.46% chance of exploitation in the next 30 days, higher than 98.9% of scored vulnerabilities. 2 public exploits are recorded.
Advisory lineage
Upstream 0 · Downstream 9 · Related 4Timeline
- 07-11-2022PublishedVulnerability first disclosed.
- 05-05-2025Last modifiedVulnerability information updated.
Description
handle_ipv6IpForwarding in agent/mibgroup/ip-mib/ip_scalars.c in Net-SNMP 5.4.3 through 5.9.3 has a NULL Pointer Exception bug that can be used by a remote attacker to cause the instance to crash via a crafted UDP packet, resulting in Denial of Service.
CVSS metrics
5 scores · 5 sources · 1 version- OSV · AlpineEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
53.46%
Chance of exploitation in the next 30 days
Percentile
99%
Versus all other CVEs
30-day change
0.00 pp
From 53.46% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundNet Snmp
Maturity: poc
D07A65B5028145C9F4E1D1Db8C4C202F
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Netapp4 products
Debian2 products
- net-snmp< 5.9.3+dfsg-2
- debian_linuxEOL10.0
Alpine1 product
- net-snmp≥ 5.4.3, < 5.9.3-r1 | ≥ 5.4.3, < 5.9.3-r2
Net-snmp1 product
- net-snmp≥ 5.4.3, ≤ 5.9.3
Opensuse1 product
- net-snmp&distro=openSUSE Tumbleweed< 5.9.3-4.1
Ubuntu1 product
- net-snmp< 5.7.2~dfsg-8.1ubuntu3.3+esm3 | < 5.7.3+dfsg-1ubuntu4.6+esm1 | < 5.7.3+dfsg-1.8ubuntu3.8 | < 5.8+dfsg-2ubuntu2.6 | < 5.9.1+dfsg-1ubuntu2.4
6 vendors · 10 products
References
12 links- security.netapp.com/advisory/ntap-20230223-0011/Third Party Advisory