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Message-ID: <2025022620-CVE-2022-49216-186e@gregkh> Date: Wed, 26 Feb 2025 02:57:01 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: CVE-2022-49216: drm/tegra: Fix reference leak in tegra_dsi_ganged_probe Description =========== In the Linux kernel, the following vulnerability has been resolved: drm/tegra: Fix reference leak in tegra_dsi_ganged_probe The reference taken by 'of_find_device_by_node()' must be released when not needed anymore. Add put_device() call to fix this. The Linux kernel CVE team has assigned CVE-2022-49216 to this issue. Affected and fixed versions =========================== Issue introduced in 3.19 with commit e94236cde4d519cdecd45e2435defba33abdc99f and fixed in 4.9.311 with commit 0e2f4e434e71dffd1085c3dccd676514bd71d316 Issue introduced in 3.19 with commit e94236cde4d519cdecd45e2435defba33abdc99f and fixed in 4.14.276 with commit 5e8fdb6392d945d33fef959eab73f8c34bc0a63b Issue introduced in 3.19 with commit e94236cde4d519cdecd45e2435defba33abdc99f and fixed in 4.19.238 with commit 2d6ae8b747fe55f54de4a4441d636974aa53f56a Issue introduced in 3.19 with commit e94236cde4d519cdecd45e2435defba33abdc99f and fixed in 5.4.189 with commit a725070701883fe62266ee6d2f31d67e6cdd31df Issue introduced in 3.19 with commit e94236cde4d519cdecd45e2435defba33abdc99f and fixed in 5.10.110 with commit 1e06710c43a090f14bb67714265a01cd1d7a37c5 Issue introduced in 3.19 with commit e94236cde4d519cdecd45e2435defba33abdc99f and fixed in 5.15.33 with commit 852c1f5f3119a38ee68e319bab10277fc1ab06b7 Issue introduced in 3.19 with commit e94236cde4d519cdecd45e2435defba33abdc99f and fixed in 5.16.19 with commit cd78b74031cbc94133965f1017deb822657fc1a6 Issue introduced in 3.19 with commit e94236cde4d519cdecd45e2435defba33abdc99f and fixed in 5.17.2 with commit f3c99c686e098300c246e5e8a1474133e3dacb05 Issue introduced in 3.19 with commit e94236cde4d519cdecd45e2435defba33abdc99f and fixed in 5.18 with commit 221e3638feb8bc42143833c9a704fa89b6c366bb 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-2022-49216 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/gpu/drm/tegra/dsi.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/0e2f4e434e71dffd1085c3dccd676514bd71d316 https://git.kernel.org/stable/c/5e8fdb6392d945d33fef959eab73f8c34bc0a63b https://git.kernel.org/stable/c/2d6ae8b747fe55f54de4a4441d636974aa53f56a https://git.kernel.org/stable/c/a725070701883fe62266ee6d2f31d67e6cdd31df https://git.kernel.org/stable/c/1e06710c43a090f14bb67714265a01cd1d7a37c5 https://git.kernel.org/stable/c/852c1f5f3119a38ee68e319bab10277fc1ab06b7 https://git.kernel.org/stable/c/cd78b74031cbc94133965f1017deb822657fc1a6 https://git.kernel.org/stable/c/f3c99c686e098300c246e5e8a1474133e3dacb05 https://git.kernel.org/stable/c/221e3638feb8bc42143833c9a704fa89b6c366bb
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