An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious (too big) networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on t
An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious (too big) networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system.
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | Red Hat Enterprise Linux 8 | 0:4.18.0-513.9.1.rt7.311.el8_9 |
| Red Hat | Red Hat Enterprise Linux 8 | 0:4.18.0-513.9.1.el8_9 |
| Red Hat | Red Hat Enterprise Linux 8 | unspecified |
| Red Hat | Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions | unspecified |
| Red Hat | Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions | 0:4.18.0-147.94.1.el8_1 |
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support | 0:4.18.0-193.133.1.el8_2 |
| Red Hat | Red Hat Enterprise Linux 8.2 Telecommunications Update Service | 0:4.18.0-193.133.1.rt13.184.el8_2 |
| Red Hat | Red Hat Enterprise Linux 8.2 Telecommunications Update Service | 0:4.18.0-193.133.1.el8_2 |
| Red Hat | Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions | unspecified |
| Red Hat | Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions | 0:4.18.0-193.133.1.el8_2 |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | 0:4.18.0-305.120.1.el8_4 |
| Red Hat | Red Hat Enterprise Linux 8.4 Telecommunications Update Service | 0:4.18.0-305.120.1.rt7.196.el8_4 |
| Red Hat | Red Hat Enterprise Linux 8.4 Telecommunications Update Service | 0:4.18.0-305.120.1.el8_4 |
| Red Hat | Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions | 0:4.18.0-305.120.1.el8_4 |
| Red Hat | Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions | unspecified |
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support | unspecified |
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support | 0:4.18.0-372.87.1.el8_6 |
| Red Hat | Red Hat Enterprise Linux 8.8 Extended Update Support | unspecified |
| Red Hat | Red Hat Enterprise Linux 8.8 Extended Update Support | 0:4.18.0-477.43.1.el8_8 |
| Red Hat | Red Hat Enterprise Linux 9 | 0:5.14.0-362.18.1.el9_3 |
| Red Hat | Red Hat Enterprise Linux 9 | unspecified |
| Red Hat | Red Hat Enterprise Linux 9 | 0:5.14.0-362.18.1.el9_3 |
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support | 0:5.14.0-70.80.1.el9_0 |
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support | 0:5.14.0-70.80.1.rt21.151.el9_0 |
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support | unspecified |
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support | 0:5.14.0-284.40.1.el9_2 |
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support | 0:5.14.0-284.40.1.rt14.325.el9_2 |
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support | unspecified |
| Red Hat | Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 | 0:4.18.0-372.87.1.el8_6 |
| Red Hat | Red Hat Enterprise Linux 6 | unspecified |
| Red Hat | Red Hat Enterprise Linux 7 | unspecified |
| Red Hat | Red Hat Enterprise Linux 7 | unspecified |
| Red Hat | Red Hat Enterprise Linux 9 | unspecified |
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.