Linux Kernel BPF libbpf.c find_prog_by_sec_insn null pointer dereference
Published Oct 19, 2022
5.5
MEDIUMCVSS 3.1
EPSS 0.33%
Description
A vulnerability was found in Linux Kernel. It has been classified as problematic. This affects the function find_prog_by_sec_insn of the file tools/lib/bpf/libbpf.c of the component BPF. The manipulation leads to null pointer dereference. It is recommended to apply a patch to fix this issue. The identifier VDB-211749 was assigned to this vulnerability.
Affected products
- < 6.2
No data.
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Not affected
Red Hat Enterprise Linux 8
kernel
Will not fix
Red Hat Enterprise Linux 8
kernel-rt
Will not fix
Red Hat Enterprise Linux 8
libbpf
Will not fix
Red Hat Enterprise Linux 9
kernel
Will not fix
Red Hat Enterprise Linux 9
kernel-rt
Will not fix
Red Hat Enterprise Linux 9
libbpf
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise Linux 8 | kernel | Will not fix | n/a |
| Red Hat Enterprise Linux 8 | kernel-rt | Will not fix | n/a |
| Red Hat Enterprise Linux 8 | libbpf | Will not fix | n/a |
| Red Hat Enterprise Linux 9 | kernel | Will not fix | n/a |
| Red Hat Enterprise Linux 9 | kernel-rt | Will not fix | n/a |
| Red Hat Enterprise Linux 9 | libbpf | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Enterprise Linux 6 and 7 are not affected by this issue as they did not include CO-RE relocations support for multi-prog sections (upstream commit db2b8b0)
Red Hat mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
2 other sources (Red Hat, CVE.org) ▾
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Apr 14, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2022-2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (8 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.33% (0.00333) | 24.42th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.32% (0.00315) | 22.93th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.01% (0.00008) | 0.34th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00044) | 14.58th | v3 (v2023.03.01) |
| May 11, 2024 | 0.04% (0.00044) | 11.97th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00043) | 6.97th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Oct 22, 2022 | 0.89% (0.00885) | 26.71th | v2 (v2022.01.01) |
References (7)
- https://access.redhat.com/security/cve/CVE-2022-3606 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2155196 Issue Tracking
- https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?id=d0d382f95a9270dcf803539d6781d6bd67e3f5b2 PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/04/msg00033.html
- https://nvd.nist.gov/vuln/detail/CVE-2022-3606
- https://vuldb.com/?id.211749 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2022-3606
Change history (0)
No recorded changes yet.