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Message-ID: <2025061805-CVE-2022-50105-3760@gregkh> Date: Wed, 18 Jun 2025 13:02:50 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...nel.org> Subject: CVE-2022-50105: powerpc/spufs: Fix refcount leak in spufs_init_isolated_loader From: Greg Kroah-Hartman <gregkh@...nel.org> Description =========== In the Linux kernel, the following vulnerability has been resolved: powerpc/spufs: Fix refcount leak in spufs_init_isolated_loader of_find_node_by_path() returns remote device nodepointer with refcount incremented, we should use of_node_put() on it when done. Add missing of_node_put() to avoid refcount leak. The Linux kernel CVE team has assigned CVE-2022-50105 to this issue. Affected and fixed versions =========================== Issue introduced in 2.6.20 with commit 0afacde3df4c9980f505d9afd7cb0058389732ca and fixed in 4.14.291 with commit 43584490ee6c8a104797444af6bf89d0dafe95c0 Issue introduced in 2.6.20 with commit 0afacde3df4c9980f505d9afd7cb0058389732ca and fixed in 4.19.256 with commit d0cb99948c5f6d8fe56f6e69b8dd0a05ee5f9cec Issue introduced in 2.6.20 with commit 0afacde3df4c9980f505d9afd7cb0058389732ca and fixed in 5.4.211 with commit 14329d29a048dc35aac2374fb3d588d8190095a2 Issue introduced in 2.6.20 with commit 0afacde3df4c9980f505d9afd7cb0058389732ca and fixed in 5.10.137 with commit 85aff6a9b7b7ec4e5c319f7946c9864c8d5e3d4a Issue introduced in 2.6.20 with commit 0afacde3df4c9980f505d9afd7cb0058389732ca and fixed in 5.15.61 with commit 69e9fa07b229badab808980e984a9fe824116f00 Issue introduced in 2.6.20 with commit 0afacde3df4c9980f505d9afd7cb0058389732ca and fixed in 5.18.18 with commit 0aa5de2547b7ccf0a31bc740d12f829fae243112 Issue introduced in 2.6.20 with commit 0afacde3df4c9980f505d9afd7cb0058389732ca and fixed in 5.19.2 with commit 4288eb035ba4ddb53245e9365c919bb51ac00c2c Issue introduced in 2.6.20 with commit 0afacde3df4c9980f505d9afd7cb0058389732ca and fixed in 6.0 with commit 6ac059dacffa8ab2f7798f20e4bd3333890c541c 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-2022-50105 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: arch/powerpc/platforms/cell/spufs/inode.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/43584490ee6c8a104797444af6bf89d0dafe95c0 https://git.kernel.org/stable/c/d0cb99948c5f6d8fe56f6e69b8dd0a05ee5f9cec https://git.kernel.org/stable/c/14329d29a048dc35aac2374fb3d588d8190095a2 https://git.kernel.org/stable/c/85aff6a9b7b7ec4e5c319f7946c9864c8d5e3d4a https://git.kernel.org/stable/c/69e9fa07b229badab808980e984a9fe824116f00 https://git.kernel.org/stable/c/0aa5de2547b7ccf0a31bc740d12f829fae243112 https://git.kernel.org/stable/c/4288eb035ba4ddb53245e9365c919bb51ac00c2c https://git.kernel.org/stable/c/6ac059dacffa8ab2f7798f20e4bd3333890c541c
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