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Message-ID: <2025022608-CVE-2022-49581-b9dc@gregkh> Date: Wed, 26 Feb 2025 03:22:24 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: CVE-2022-49581: be2net: Fix buffer overflow in be_get_module_eeprom Description =========== In the Linux kernel, the following vulnerability has been resolved: be2net: Fix buffer overflow in be_get_module_eeprom be_cmd_read_port_transceiver_data assumes that it is given a buffer that is at least PAGE_DATA_LEN long, or twice that if the module supports SFF 8472. However, this is not always the case. Fix this by passing the desired offset and length to be_cmd_read_port_transceiver_data so that we only copy the bytes once. The Linux kernel CVE team has assigned CVE-2022-49581 to this issue. Affected and fixed versions =========================== Issue introduced in 3.18 with commit e36edd9d26cf257511548edaf2b7a56eb4fed854 and fixed in 4.9.325 with commit a5a8fc0679a8fd58d47aa2ebcfc5742631f753f9 Issue introduced in 3.18 with commit e36edd9d26cf257511548edaf2b7a56eb4fed854 and fixed in 4.14.290 with commit fe4473fc7940f14c4a12db873b9729134c212654 Issue introduced in 3.18 with commit e36edd9d26cf257511548edaf2b7a56eb4fed854 and fixed in 4.19.254 with commit 8ff4f9df73e5c551a72ee6034886c17e8de6596d Issue introduced in 3.18 with commit e36edd9d26cf257511548edaf2b7a56eb4fed854 and fixed in 5.4.208 with commit a8569f76df7ec5b4b51155c57523a0b356db5741 Issue introduced in 3.18 with commit e36edd9d26cf257511548edaf2b7a56eb4fed854 and fixed in 5.10.134 with commit 665cbe91de2f7c97c51ca8fce39aae26477c1948 Issue introduced in 3.18 with commit e36edd9d26cf257511548edaf2b7a56eb4fed854 and fixed in 5.15.58 with commit aba8ff847f4f927ad7a1a1ee4a9f29989a1a728f Issue introduced in 3.18 with commit e36edd9d26cf257511548edaf2b7a56eb4fed854 and fixed in 5.18.15 with commit 18043da94c023f3ef09c15017bdb04e8f695ef10 Issue introduced in 3.18 with commit e36edd9d26cf257511548edaf2b7a56eb4fed854 and fixed in 5.19 with commit d7241f679a59cfe27f92cb5c6272cb429fb1f7ec 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-2022-49581 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/emulex/benet/be_cmds.c drivers/net/ethernet/emulex/benet/be_cmds.h drivers/net/ethernet/emulex/benet/be_ethtool.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/a5a8fc0679a8fd58d47aa2ebcfc5742631f753f9 https://git.kernel.org/stable/c/fe4473fc7940f14c4a12db873b9729134c212654 https://git.kernel.org/stable/c/8ff4f9df73e5c551a72ee6034886c17e8de6596d https://git.kernel.org/stable/c/a8569f76df7ec5b4b51155c57523a0b356db5741 https://git.kernel.org/stable/c/665cbe91de2f7c97c51ca8fce39aae26477c1948 https://git.kernel.org/stable/c/aba8ff847f4f927ad7a1a1ee4a9f29989a1a728f https://git.kernel.org/stable/c/18043da94c023f3ef09c15017bdb04e8f695ef10 https://git.kernel.org/stable/c/d7241f679a59cfe27f92cb5c6272cb429fb1f7ec
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