A use-after-free flaw was found in vcs_read in drivers/tty/vt/vc_screen.c in vc_screen in the Linux Kernel. This issue may allow an attacker with local user access to cause a system crash or leak internal kernel information.
A use-after-free flaw was found in vcs_read in drivers/tty/vt/vc_screen.c in vc_screen in the Linux Kernel. This issue may allow an attacker with local user access to cause a system crash or leak internal kernel information.
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | Red Hat Enterprise Linux 8 | 0:4.18.0-553.rt7.342.el8_10 |
| Red Hat | Red Hat Enterprise Linux 8 | 0:4.18.0-553.el8_10 |
| 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 | 0:4.18.0-477.43.1.el8_8 |
| Red Hat | Red Hat Enterprise Linux 9 | 0:5.14.0-427.13.1.el9_4 |
| Red Hat | Red Hat Enterprise Linux 9 | 0:5.14.0-427.13.1.el9_4 |
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support | 0:5.14.0-70.85.1.el9_0 |
| Red Hat | Red Hat Enterprise Linux 9.0 Extended Update Support | 0:5.14.0-70.85.1.rt21.156.el9_0 |
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support | 0:5.14.0-284.48.1.el9_2 |
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support | 0:5.14.0-284.48.1.rt14.333.el9_2 |
| 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.