| From bippy-5f407fcff5a0 Mon Sep 17 00:00:00 2001 |
| From: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| To: <linux-cve-announce@vger.kernel.org> |
| Reply-to: <cve@kernel.org>, <linux-kernel@vger.kernel.org> |
| Subject: CVE-2021-47484: octeontx2-af: Fix possible null pointer dereference. |
| |
| Description |
| =========== |
| |
| In the Linux kernel, the following vulnerability has been resolved: |
| |
| octeontx2-af: Fix possible null pointer dereference. |
| |
| This patch fixes possible null pointer dereference in files |
| "rvu_debugfs.c" and "rvu_nix.c" |
| |
| The Linux kernel CVE team has assigned CVE-2021-47484 to this issue. |
| |
| |
| Affected and fixed versions |
| =========================== |
| |
| Issue introduced in 5.5 with commit 8756828a81485f7b28b588adbf0bac9bf6fc6651 and fixed in 5.14.16 with commit f1e3cd1cc80204fd02b9e9843450925a2af90dc0 |
| Issue introduced in 5.5 with commit 8756828a81485f7b28b588adbf0bac9bf6fc6651 and fixed in 5.15 with commit c2d4c543f74c90f883e8ec62a31973ae8807d354 |
| |
| Please see https://www.kernel.org for a full list of currently supported |
| kernel versions by the kernel community. |
| |
| Unaffected versions might change over time as fixes are backported to |
| older supported kernel versions. The official CVE entry at |
| https://cve.org/CVERecord/?id=CVE-2021-47484 |
| will be updated if fixes are backported, please check that for the most |
| up to date information about this issue. |
| |
| |
| Affected files |
| ============== |
| |
| The file(s) affected by this issue are: |
| drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c |
| drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c |
| |
| |
| Mitigation |
| ========== |
| |
| The Linux kernel CVE team recommends that you update to the latest |
| stable kernel version for this, and many other bugfixes. Individual |
| changes are never tested alone, but rather are part of a larger kernel |
| release. Cherry-picking individual commits is not recommended or |
| supported by the Linux kernel community at all. If however, updating to |
| the latest release is impossible, the individual changes to resolve this |
| issue can be found at these commits: |
| https://git.kernel.org/stable/c/f1e3cd1cc80204fd02b9e9843450925a2af90dc0 |
| https://git.kernel.org/stable/c/c2d4c543f74c90f883e8ec62a31973ae8807d354 |
