| 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-2024-56580: media: qcom: camss: fix error path on configuration of power domains |
| |
| Description |
| =========== |
| |
| In the Linux kernel, the following vulnerability has been resolved: |
| |
| media: qcom: camss: fix error path on configuration of power domains |
| |
| There is a chance to meet runtime issues during configuration of CAMSS |
| power domains, because on the error path dev_pm_domain_detach() is |
| unexpectedly called with NULL or error pointer. |
| |
| One of the simplest ways to reproduce the problem is to probe CAMSS |
| driver before registration of CAMSS power domains, for instance if |
| a platform CAMCC driver is simply not built. |
| |
| Warning backtrace example: |
| |
| Unable to handle kernel NULL pointer dereference at virtual address 00000000000001a2 |
| |
| <snip> |
| |
| pc : dev_pm_domain_detach+0x8/0x48 |
| lr : camss_probe+0x374/0x9c0 |
| |
| <snip> |
| |
| Call trace: |
| dev_pm_domain_detach+0x8/0x48 |
| platform_probe+0x70/0xf0 |
| really_probe+0xc4/0x2a8 |
| __driver_probe_device+0x80/0x140 |
| driver_probe_device+0x48/0x170 |
| __device_attach_driver+0xc0/0x148 |
| bus_for_each_drv+0x88/0xf0 |
| __device_attach+0xb0/0x1c0 |
| device_initial_probe+0x1c/0x30 |
| bus_probe_device+0xb4/0xc0 |
| deferred_probe_work_func+0x90/0xd0 |
| process_one_work+0x164/0x3e0 |
| worker_thread+0x310/0x420 |
| kthread+0x120/0x130 |
| ret_from_fork+0x10/0x20 |
| |
| The Linux kernel CVE team has assigned CVE-2024-56580 to this issue. |
| |
| |
| Affected and fixed versions |
| =========================== |
| |
| Issue introduced in 6.8 with commit 23aa4f0cd3273b269560a9236c48b43a3982ac13 and fixed in 6.12.4 with commit c98586d8d01c9e860e7acc3807c2afeb1dc14e8a |
| Issue introduced in 6.8 with commit 23aa4f0cd3273b269560a9236c48b43a3982ac13 and fixed in 6.13 with commit 4f45d65b781499d2a79eca12155532739c876aa2 |
| |
| 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-2024-56580 |
| 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/media/platform/qcom/camss/camss.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/c98586d8d01c9e860e7acc3807c2afeb1dc14e8a |
| https://git.kernel.org/stable/c/4f45d65b781499d2a79eca12155532739c876aa2 |
