| 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-2024-40985: net/tcp_ao: Don't leak ao_info on error-path |
| |
| Description |
| =========== |
| |
| In the Linux kernel, the following vulnerability has been resolved: |
| |
| net/tcp_ao: Don't leak ao_info on error-path |
| |
| It seems I introduced it together with TCP_AO_CMDF_AO_REQUIRED, on |
| version 5 [1] of TCP-AO patches. Quite frustrative that having all these |
| selftests that I've written, running kmemtest & kcov was always in todo. |
| |
| [1]: https://lore.kernel.org/netdev/20230215183335.800122-5-dima@arista.com/ |
| |
| The Linux kernel CVE team has assigned CVE-2024-40985 to this issue. |
| |
| |
| Affected and fixed versions |
| =========================== |
| |
| Issue introduced in 6.7 with commit 0aadc73995d08f6b0dc061c14a564ffa46f5914e and fixed in 6.9.7 with commit ebaa7d3c26332330a48f9a15f8e518d526cc0f21 |
| Issue introduced in 6.7 with commit 0aadc73995d08f6b0dc061c14a564ffa46f5914e and fixed in 6.10 with commit f9ae848904289ddb16c7c9e4553ed4c64300de49 |
| |
| 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-2024-40985 |
| 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: |
| net/ipv4/tcp_ao.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/ebaa7d3c26332330a48f9a15f8e518d526cc0f21 |
| https://git.kernel.org/stable/c/f9ae848904289ddb16c7c9e4553ed4c64300de49 |
