| 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-2024-47731: drivers/perf: Fix ali_drw_pmu driver interrupt status clearing |
| |
| Description |
| =========== |
| |
| In the Linux kernel, the following vulnerability has been resolved: |
| |
| drivers/perf: Fix ali_drw_pmu driver interrupt status clearing |
| |
| The alibaba_uncore_pmu driver forgot to clear all interrupt status |
| in the interrupt processing function. After the PMU counter overflow |
| interrupt occurred, an interrupt storm occurred, causing the system |
| to hang. |
| |
| Therefore, clear the correct interrupt status in the interrupt handling |
| function to fix it. |
| |
| The Linux kernel CVE team has assigned CVE-2024-47731 to this issue. |
| |
| |
| Affected and fixed versions |
| =========================== |
| |
| Issue introduced in 6.1 with commit cf7b61073e4526caa247616f6fbb174cbd2a5366 and fixed in 6.1.113 with commit 24f30b34ff76648d26872dd4eaa002f074225058 |
| Issue introduced in 6.1 with commit cf7b61073e4526caa247616f6fbb174cbd2a5366 and fixed in 6.6.54 with commit 3b839d4619042b02eecdfc986484ac6e6be6acbf |
| Issue introduced in 6.1 with commit cf7b61073e4526caa247616f6fbb174cbd2a5366 and fixed in 6.10.13 with commit 062b7176e484678b2c9072d28fbecea47846b274 |
| Issue introduced in 6.1 with commit cf7b61073e4526caa247616f6fbb174cbd2a5366 and fixed in 6.11.2 with commit 85702fddba70d2b63f5646793d77de2ad4fc3784 |
| Issue introduced in 6.1 with commit cf7b61073e4526caa247616f6fbb174cbd2a5366 and fixed in 6.12 with commit a3dd920977dccc453c550260c4b7605b280b79c3 |
| |
| 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-2024-47731 |
| 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/perf/alibaba_uncore_drw_pmu.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/24f30b34ff76648d26872dd4eaa002f074225058 |
| https://git.kernel.org/stable/c/3b839d4619042b02eecdfc986484ac6e6be6acbf |
| https://git.kernel.org/stable/c/062b7176e484678b2c9072d28fbecea47846b274 |
| https://git.kernel.org/stable/c/85702fddba70d2b63f5646793d77de2ad4fc3784 |
| https://git.kernel.org/stable/c/a3dd920977dccc453c550260c4b7605b280b79c3 |
