| 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-2021-47158: net: dsa: sja1105: add error handling in sja1105_setup() |
| |
| Description |
| =========== |
| |
| In the Linux kernel, the following vulnerability has been resolved: |
| |
| net: dsa: sja1105: add error handling in sja1105_setup() |
| |
| If any of sja1105_static_config_load(), sja1105_clocking_setup() or |
| sja1105_devlink_setup() fails, we can't just return in the middle of |
| sja1105_setup() or memory will leak. Add a cleanup path. |
| |
| The Linux kernel CVE team has assigned CVE-2021-47158 to this issue. |
| |
| |
| Affected and fixed versions |
| =========================== |
| |
| Issue introduced in 5.2 with commit 8aa9ebccae87621d997707e4f25e53fddd7e30e4 and fixed in 5.10.42 with commit dd8609f203448ca6d58ae71461208b3f6b0329b0 |
| Issue introduced in 5.2 with commit 8aa9ebccae87621d997707e4f25e53fddd7e30e4 and fixed in 5.12.9 with commit 987e4ab8b8a4fcbf783069e03e7524cd39ffd563 |
| Issue introduced in 5.2 with commit 8aa9ebccae87621d997707e4f25e53fddd7e30e4 and fixed in 5.13 with commit cec279a898a3b004411682f212215ccaea1cd0fb |
| |
| 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-2021-47158 |
| 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/dsa/sja1105/sja1105_main.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/dd8609f203448ca6d58ae71461208b3f6b0329b0 |
| https://git.kernel.org/stable/c/987e4ab8b8a4fcbf783069e03e7524cd39ffd563 |
| https://git.kernel.org/stable/c/cec279a898a3b004411682f212215ccaea1cd0fb |
