| 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-2022-48952: PCI: mt7621: Add sentinel to quirks table |
| |
| Description |
| =========== |
| |
| In the Linux kernel, the following vulnerability has been resolved: |
| |
| PCI: mt7621: Add sentinel to quirks table |
| |
| Current driver is missing a sentinel in the struct soc_device_attribute |
| array, which causes an oops when assessed by the |
| soc_device_match(mt7621_pcie_quirks_match) call. |
| |
| This was only exposed once the CONFIG_SOC_MT7621 mt7621 soc_dev_attr |
| was fixed to register the SOC as a device, in: |
| |
| commit 7c18b64bba3b ("mips: ralink: mt7621: do not use kzalloc too early") |
| |
| Fix it by adding the required sentinel. |
| |
| The Linux kernel CVE team has assigned CVE-2022-48952 to this issue. |
| |
| |
| Affected and fixed versions |
| =========================== |
| |
| Issue introduced in 5.5 with commit b483b4e4d3f6bfd5089b9e6dc9ba259879c6ce6f and fixed in 5.15.86 with commit 3e9c395ef2d52975b2c2894d2da09d6db2958bc6 |
| Issue introduced in 5.5 with commit b483b4e4d3f6bfd5089b9e6dc9ba259879c6ce6f and fixed in 6.0.15 with commit cb7323ece786f243f6d6ccf2e5b2b27b736bdc04 |
| Issue introduced in 5.5 with commit b483b4e4d3f6bfd5089b9e6dc9ba259879c6ce6f and fixed in 6.1.1 with commit a4997bae1b5b012c8a6e2643e26578a7bc2cae36 |
| Issue introduced in 5.5 with commit b483b4e4d3f6bfd5089b9e6dc9ba259879c6ce6f and fixed in 6.2 with commit 19098934f910b4d47cb30251dd39ffa57bef9523 |
| Issue introduced in 5.4.17 with commit 21fd877300b01d25c5807c327848fdc7c813cf0e |
| |
| 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-2022-48952 |
| 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/pci/controller/pcie-mt7621.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/3e9c395ef2d52975b2c2894d2da09d6db2958bc6 |
| https://git.kernel.org/stable/c/cb7323ece786f243f6d6ccf2e5b2b27b736bdc04 |
| https://git.kernel.org/stable/c/a4997bae1b5b012c8a6e2643e26578a7bc2cae36 |
| https://git.kernel.org/stable/c/19098934f910b4d47cb30251dd39ffa57bef9523 |
