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Message-ID: <2024102143-CVE-2022-48962-1842@gregkh> Date: Mon, 21 Oct 2024 22:05:54 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: CVE-2022-48962: net: hisilicon: Fix potential use-after-free in hisi_femac_rx() Description =========== In the Linux kernel, the following vulnerability has been resolved: net: hisilicon: Fix potential use-after-free in hisi_femac_rx() The skb is delivered to napi_gro_receive() which may free it, after calling this, dereferencing skb may trigger use-after-free. The Linux kernel CVE team has assigned CVE-2022-48962 to this issue. Affected and fixed versions =========================== Issue introduced in 4.8 with commit 542ae60af24f and fixed in 4.9.336 with commit 3501da8eb6d0 Issue introduced in 4.8 with commit 542ae60af24f and fixed in 4.14.302 with commit 196e12671cb6 Issue introduced in 4.8 with commit 542ae60af24f and fixed in 4.19.269 with commit aceec8ab7524 Issue introduced in 4.8 with commit 542ae60af24f and fixed in 5.4.227 with commit e71a46cc8c9a Issue introduced in 4.8 with commit 542ae60af24f and fixed in 5.10.159 with commit 296a50aa8b29 Issue introduced in 4.8 with commit 542ae60af24f and fixed in 5.15.83 with commit 6f4798ac9c9e Issue introduced in 4.8 with commit 542ae60af24f and fixed in 6.0.13 with commit 8595a2db8eb0 Issue introduced in 4.8 with commit 542ae60af24f and fixed in 6.1 with commit 464017704954 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-2022-48962 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/net/ethernet/hisilicon/hisi_femac.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/3501da8eb6d0f5f114a09ec953c54423f6f35885 https://git.kernel.org/stable/c/196e12671cb629d9f3b77b4d8bec854fc445533a https://git.kernel.org/stable/c/aceec8ab752428d8e151321479e82cc1a40fee2e https://git.kernel.org/stable/c/e71a46cc8c9ad75f3bb0e4b361e81f79c0214cca https://git.kernel.org/stable/c/296a50aa8b2982117520713edc1375777a9f8506 https://git.kernel.org/stable/c/6f4798ac9c9e98f41553c4f5e6c832c8860a6942 https://git.kernel.org/stable/c/8595a2db8eb0ffcbb466eb9f4a7507a5ba06ebb9 https://git.kernel.org/stable/c/4640177049549de1a43e9bc49265f0cdfce08cfd
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