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Message-ID: <2025022602-CVE-2022-49467-9d0a@gregkh> Date: Wed, 26 Feb 2025 03:12:21 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: CVE-2022-49467: drm: msm: fix possible memory leak in mdp5_crtc_cursor_set() Description =========== In the Linux kernel, the following vulnerability has been resolved: drm: msm: fix possible memory leak in mdp5_crtc_cursor_set() drm_gem_object_lookup will call drm_gem_object_get inside. So cursor_bo needs to be put when msm_gem_get_and_pin_iova fails. The Linux kernel CVE team has assigned CVE-2022-49467 to this issue. Affected and fixed versions =========================== Issue introduced in 4.0 with commit e172d10a9c4acc69bb07cbe9142ded2df791ff1f and fixed in 4.19.247 with commit f8cd192752a1f613b14eee77783c6f0aebb49691 Issue introduced in 4.0 with commit e172d10a9c4acc69bb07cbe9142ded2df791ff1f and fixed in 5.4.198 with commit 449374565f349d4233beec811d4286fdfe5de44b Issue introduced in 4.0 with commit e172d10a9c4acc69bb07cbe9142ded2df791ff1f and fixed in 5.10.121 with commit 656aa3c51fc662064f17179b38ec3ce43af53bca Issue introduced in 4.0 with commit e172d10a9c4acc69bb07cbe9142ded2df791ff1f and fixed in 5.15.46 with commit 33546183c16c7b9650682dc610bedd732d9c6919 Issue introduced in 4.0 with commit e172d10a9c4acc69bb07cbe9142ded2df791ff1f and fixed in 5.17.14 with commit d544880482a5558ec06393b1b3d5dc9275b7a32b Issue introduced in 4.0 with commit e172d10a9c4acc69bb07cbe9142ded2df791ff1f and fixed in 5.18.3 with commit d63ffe3fb3f8327ca21cf91b6a14a2961bc629b4 Issue introduced in 4.0 with commit e172d10a9c4acc69bb07cbe9142ded2df791ff1f and fixed in 5.19 with commit 947a844bb3ebff0f4736d244d792ce129f6700d7 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-2022-49467 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/msm/disp/mdp5/mdp5_crtc.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/f8cd192752a1f613b14eee77783c6f0aebb49691 https://git.kernel.org/stable/c/449374565f349d4233beec811d4286fdfe5de44b https://git.kernel.org/stable/c/656aa3c51fc662064f17179b38ec3ce43af53bca https://git.kernel.org/stable/c/33546183c16c7b9650682dc610bedd732d9c6919 https://git.kernel.org/stable/c/d544880482a5558ec06393b1b3d5dc9275b7a32b https://git.kernel.org/stable/c/d63ffe3fb3f8327ca21cf91b6a14a2961bc629b4 https://git.kernel.org/stable/c/947a844bb3ebff0f4736d244d792ce129f6700d7
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