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Message-ID: <2025050152-CVE-2022-49874-3c3e@gregkh> Date: Thu, 1 May 2025 16:11:04 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...nel.org> Subject: CVE-2022-49874: HID: hyperv: fix possible memory leak in mousevsc_probe() From: Greg Kroah-Hartman <gregkh@...nel.org> Description =========== In the Linux kernel, the following vulnerability has been resolved: HID: hyperv: fix possible memory leak in mousevsc_probe() If hid_add_device() returns error, it should call hid_destroy_device() to free hid_dev which is allocated in hid_allocate_device(). The Linux kernel CVE team has assigned CVE-2022-49874 to this issue. Affected and fixed versions =========================== Issue introduced in 3.3 with commit 74c4fb058083b47571a4f76dcfce95085f2d8098 and fixed in 4.9.334 with commit ed75d1a1c31a0cae8ecc8bcea710b25c0be68da0 Issue introduced in 3.3 with commit 74c4fb058083b47571a4f76dcfce95085f2d8098 and fixed in 4.14.300 with commit 249b743801c00542e9324f87b380032e957a43e8 Issue introduced in 3.3 with commit 74c4fb058083b47571a4f76dcfce95085f2d8098 and fixed in 4.19.267 with commit a6d2fb1874c52ace1f5cf1966ee558829c5c19b6 Issue introduced in 3.3 with commit 74c4fb058083b47571a4f76dcfce95085f2d8098 and fixed in 5.4.225 with commit e29289d0d8193fca6d2c1f0a1de75cfc80edec00 Issue introduced in 3.3 with commit 74c4fb058083b47571a4f76dcfce95085f2d8098 and fixed in 5.10.155 with commit 8597b59e3d22b27849bd3e4f92a3d466774bfb04 Issue introduced in 3.3 with commit 74c4fb058083b47571a4f76dcfce95085f2d8098 and fixed in 5.15.79 with commit 5ad95d71344b7ffec360d62591633b3c465dc049 Issue introduced in 3.3 with commit 74c4fb058083b47571a4f76dcfce95085f2d8098 and fixed in 6.0.9 with commit 5f3aba6566b866f5b0a4916f0b2e8a6ae66a6451 Issue introduced in 3.3 with commit 74c4fb058083b47571a4f76dcfce95085f2d8098 and fixed in 6.1 with commit b5bcb94b0954a026bbd671741fdb00e7141f9c91 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-2022-49874 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/hid/hid-hyperv.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/ed75d1a1c31a0cae8ecc8bcea710b25c0be68da0 https://git.kernel.org/stable/c/249b743801c00542e9324f87b380032e957a43e8 https://git.kernel.org/stable/c/a6d2fb1874c52ace1f5cf1966ee558829c5c19b6 https://git.kernel.org/stable/c/e29289d0d8193fca6d2c1f0a1de75cfc80edec00 https://git.kernel.org/stable/c/8597b59e3d22b27849bd3e4f92a3d466774bfb04 https://git.kernel.org/stable/c/5ad95d71344b7ffec360d62591633b3c465dc049 https://git.kernel.org/stable/c/5f3aba6566b866f5b0a4916f0b2e8a6ae66a6451 https://git.kernel.org/stable/c/b5bcb94b0954a026bbd671741fdb00e7141f9c91
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