| 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-2024-26872: RDMA/srpt: Do not register event handler until srpt device is fully setup |
| |
| Description |
| =========== |
| |
| In the Linux kernel, the following vulnerability has been resolved: |
| |
| RDMA/srpt: Do not register event handler until srpt device is fully setup |
| |
| Upon rare occasions, KASAN reports a use-after-free Write |
| in srpt_refresh_port(). |
| |
| This seems to be because an event handler is registered before the |
| srpt device is fully setup and a race condition upon error may leave a |
| partially setup event handler in place. |
| |
| Instead, only register the event handler after srpt device initialization |
| is complete. |
| |
| The Linux kernel CVE team has assigned CVE-2024-26872 to this issue. |
| |
| |
| Affected and fixed versions |
| =========================== |
| |
| Issue introduced in 3.3 with commit a42d985bd5b234da8b61347a78dc3057bf7bb94d and fixed in 5.10.214 with commit bdd895e0190c464f54f84579e7535d80276f0fc5 |
| Issue introduced in 3.3 with commit a42d985bd5b234da8b61347a78dc3057bf7bb94d and fixed in 5.15.153 with commit 6413e78086caf7bf15639923740da0d91fdfd090 |
| Issue introduced in 3.3 with commit a42d985bd5b234da8b61347a78dc3057bf7bb94d and fixed in 6.1.83 with commit e362d007294955a4fb929e1c8978154a64efdcb6 |
| Issue introduced in 3.3 with commit a42d985bd5b234da8b61347a78dc3057bf7bb94d and fixed in 6.6.23 with commit 85570b91e4820a0db9d9432098778cafafa7d217 |
| Issue introduced in 3.3 with commit a42d985bd5b234da8b61347a78dc3057bf7bb94d and fixed in 6.7.11 with commit 7104a00fa37ae898a827381f1161fa3286c8b346 |
| Issue introduced in 3.3 with commit a42d985bd5b234da8b61347a78dc3057bf7bb94d and fixed in 6.8.2 with commit ec77fa12da41260c6bf9e060b89234b980c5130f |
| Issue introduced in 3.3 with commit a42d985bd5b234da8b61347a78dc3057bf7bb94d and fixed in 6.9 with commit c21a8870c98611e8f892511825c9607f1e2cd456 |
| |
| 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-2024-26872 |
| 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/infiniband/ulp/srpt/ib_srpt.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/bdd895e0190c464f54f84579e7535d80276f0fc5 |
| https://git.kernel.org/stable/c/6413e78086caf7bf15639923740da0d91fdfd090 |
| https://git.kernel.org/stable/c/e362d007294955a4fb929e1c8978154a64efdcb6 |
| https://git.kernel.org/stable/c/85570b91e4820a0db9d9432098778cafafa7d217 |
| https://git.kernel.org/stable/c/7104a00fa37ae898a827381f1161fa3286c8b346 |
| https://git.kernel.org/stable/c/ec77fa12da41260c6bf9e060b89234b980c5130f |
| https://git.kernel.org/stable/c/c21a8870c98611e8f892511825c9607f1e2cd456 |
