| 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-2022-49319: iommu/arm-smmu-v3: check return value after calling platform_get_resource() |
| |
| Description |
| =========== |
| |
| In the Linux kernel, the following vulnerability has been resolved: |
| |
| iommu/arm-smmu-v3: check return value after calling platform_get_resource() |
| |
| It will cause null-ptr-deref if platform_get_resource() returns NULL, |
| we need check the return value. |
| |
| The Linux kernel CVE team has assigned CVE-2022-49319 to this issue. |
| |
| |
| Affected and fixed versions |
| =========================== |
| |
| Fixed in 5.10.122 with commit 54c1e0e3bbcab2abe25b2874a43050ae5df87831 |
| Fixed in 5.15.47 with commit fb0f1c5eb8d60b3e018ba7c87da249b52674ebe6 |
| Fixed in 5.17.15 with commit db728a891f9177b044aaca89b678f6b5e24d5cc3 |
| Fixed in 5.18.4 with commit 54cf47da0c7532d151d76e5d63f5936191698c44 |
| Fixed in 5.19 with commit b131fa8c1d2afd05d0b7598621114674289c2fbb |
| |
| 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-2022-49319 |
| 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/iommu/arm/arm-smmu-v3/arm-smmu-v3.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/54c1e0e3bbcab2abe25b2874a43050ae5df87831 |
| https://git.kernel.org/stable/c/fb0f1c5eb8d60b3e018ba7c87da249b52674ebe6 |
| https://git.kernel.org/stable/c/db728a891f9177b044aaca89b678f6b5e24d5cc3 |
| https://git.kernel.org/stable/c/54cf47da0c7532d151d76e5d63f5936191698c44 |
| https://git.kernel.org/stable/c/b131fa8c1d2afd05d0b7598621114674289c2fbb |
