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Message-ID: <2024102155-CVE-2022-49025-4bcc@gregkh> Date: Mon, 21 Oct 2024 22:06:57 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: CVE-2022-49025: net/mlx5e: Fix use-after-free when reverting termination table Description =========== In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix use-after-free when reverting termination table When having multiple dests with termination tables and second one or afterwards fails the driver reverts usage of term tables but doesn't reset the assignment in attr->dests[num_vport_dests].termtbl which case a use-after-free when releasing the rule. Fix by resetting the assignment of termtbl to null. The Linux kernel CVE team has assigned CVE-2022-49025 to this issue. Affected and fixed versions =========================== Issue introduced in 5.3 with commit 10caabdaad5a and fixed in 5.4.226 with commit 0a2d73a77060 Issue introduced in 5.3 with commit 10caabdaad5a and fixed in 5.10.158 with commit 0d2f9d95d9fb Issue introduced in 5.3 with commit 10caabdaad5a and fixed in 5.15.82 with commit 372eb550faa0 Issue introduced in 5.3 with commit 10caabdaad5a and fixed in 6.0.12 with commit e6d2d26a49c3 Issue introduced in 5.3 with commit 10caabdaad5a and fixed in 6.1 with commit 52c795af0444 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-2022-49025 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/mellanox/mlx5/core/eswitch_offloads_termtbl.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/0a2d73a77060c3cbdc6e801cd5d979d674cd404b https://git.kernel.org/stable/c/0d2f9d95d9fbe993f3c4bafb87d59897b0325aff https://git.kernel.org/stable/c/372eb550faa0757349040fd43f59483cbfdb2c0b https://git.kernel.org/stable/c/e6d2d26a49c3a9cd46b232975e45236304810904 https://git.kernel.org/stable/c/52c795af04441d76f565c4634f893e5b553df2ae
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