{ "document":{ "aggregate_severity":{ "namespace":"https://nvd.nist.gov/vuln-metrics/cvss", "text":"MEDIUM" }, "category":"csaf_vex", "csaf_version":"2.0", "distribution":{ "tlp":{ "label":"WHITE", "url":"https:/www.first.org/tlp/" } }, "lang":"en", "notes":[ { "text":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wfx: fix memory leak when starting AP\n\nKmemleak reported this error:\n\n unreferenced object 0xd73d1180 (size 184):\n comm \"wpa_supplicant\", pid 1559, jiffies 13006305 (age 964.245s)\n hex dump (first 32 bytes):\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n 00 00 00 00 00 00 00 00 1e 00 01 00 00 00 00 00 ................\n backtrace:\n [<5ca11420>] kmem_cache_alloc+0x20c/0x5ac\n [<127bdd74>] __alloc_skb+0x144/0x170\n [] __netdev_alloc_skb+0x50/0x180\n [<0f9fa1d5>] __ieee80211_beacon_get+0x290/0x4d4 [mac80211]\n [<7accd02d>] ieee80211_beacon_get_tim+0x54/0x18c [mac80211]\n [<41e25cc3>] wfx_start_ap+0xc8/0x234 [wfx]\n [<93a70356>] ieee80211_start_ap+0x404/0x6b4 [mac80211]\n [] nl80211_start_ap+0x76c/0x9e0 [cfg80211]\n [<47bd8b68>] genl_rcv_msg+0x198/0x378\n [<453ef796>] netlink_rcv_skb+0xd0/0x130\n [<6b7c977a>] genl_rcv+0x34/0x44\n [<66b2d04d>] netlink_unicast+0x1b4/0x258\n [] netlink_sendmsg+0x1e8/0x428\n [] ____sys_sendmsg+0x1e0/0x274\n [] ___sys_sendmsg+0x80/0xb4\n [<69954f45>] __sys_sendmsg+0x64/0xa8\n unreferenced object 0xce087000 (size 1024):\n comm \"wpa_supplicant\", pid 1559, jiffies 13006305 (age 964.246s)\n hex dump (first 32 bytes):\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n 10 00 07 40 00 00 00 00 00 00 00 00 00 00 00 00 ...@............\n backtrace:\n [<9a993714>] __kmalloc_track_caller+0x230/0x600\n [] kmalloc_reserve.constprop.0+0x30/0x74\n [] __alloc_skb+0xa0/0x170\n [] __netdev_alloc_skb+0x50/0x180\n [<0f9fa1d5>] __ieee80211_beacon_get+0x290/0x4d4 [mac80211]\n [<7accd02d>] ieee80211_beacon_get_tim+0x54/0x18c [mac80211]\n [<41e25cc3>] wfx_start_ap+0xc8/0x234 [wfx]\n [<93a70356>] ieee80211_start_ap+0x404/0x6b4 [mac80211]\n [] nl80211_start_ap+0x76c/0x9e0 [cfg80211]\n [<47bd8b68>] genl_rcv_msg+0x198/0x378\n [<453ef796>] netlink_rcv_skb+0xd0/0x130\n [<6b7c977a>] genl_rcv+0x34/0x44\n [<66b2d04d>] netlink_unicast+0x1b4/0x258\n [] netlink_sendmsg+0x1e8/0x428\n [] ____sys_sendmsg+0x1e0/0x274\n [] ___sys_sendmsg+0x80/0xb4\n\nHowever, since the kernel is build optimized, it seems the stack is not\naccurate. It appears the issue is related to wfx_set_mfp_ap(). The issue\nis obvious in this function: memory allocated by ieee80211_beacon_get()\nis never released. Fixing this leak makes kmemleak happy.", "category":"general", "title":"Synopsis" } ], "publisher":{ "issuing_authority":"openEuler security committee", "name":"openEuler", "namespace":"https://www.openeuler.org", "contact_details":"openeuler-security@openeuler.org", "category":"vendor" }, "references":[ { "summary":"nvd cve", "category":"external", "url":"https://nvd.nist.gov/vuln/detail/CVE-2024-26896" }, { "summary":"CVE-2024-26896 vex file", "category":"self", "url":"https://repo.openeuler.org/security/data/csaf/cve/2024/csaf-openeuler-cve-2024-26896.json" }, { "summary":"openEuler-SA-2024-1622", "category":"self", "url":"https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-1622" }, { "summary":"CVE-2024-26896", "category":"self", "url":"https://www.openeuler.org/en/security/cve/detail?cveId=CVE-2024-26896&packageName=kernel" } ], "title":"openEuler cve CVE-2024-26896", "tracking":{ "initial_release_date":"2024-05-17T09:18:25+08:00", 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wfx_start_ap+0xc8/0x234 [wfx]\n [<93a70356>] ieee80211_start_ap+0x404/0x6b4 [mac80211]\n [] nl80211_start_ap+0x76c/0x9e0 [cfg80211]\n [<47bd8b68>] genl_rcv_msg+0x198/0x378\n [<453ef796>] netlink_rcv_skb+0xd0/0x130\n [<6b7c977a>] genl_rcv+0x34/0x44\n [<66b2d04d>] netlink_unicast+0x1b4/0x258\n [] netlink_sendmsg+0x1e8/0x428\n [] ____sys_sendmsg+0x1e0/0x274\n [] ___sys_sendmsg+0x80/0xb4\n [<69954f45>] __sys_sendmsg+0x64/0xa8\n unreferenced object 0xce087000 (size 1024):\n comm \"wpa_supplicant\", pid 1559, jiffies 13006305 (age 964.246s)\n hex dump (first 32 bytes):\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n 10 00 07 40 00 00 00 00 00 00 00 00 00 00 00 00 ...@............\n backtrace:\n [<9a993714>] __kmalloc_track_caller+0x230/0x600\n [] kmalloc_reserve.constprop.0+0x30/0x74\n [] __alloc_skb+0xa0/0x170\n [] __netdev_alloc_skb+0x50/0x180\n [<0f9fa1d5>] __ieee80211_beacon_get+0x290/0x4d4 [mac80211]\n [<7accd02d>] ieee80211_beacon_get_tim+0x54/0x18c [mac80211]\n [<41e25cc3>] wfx_start_ap+0xc8/0x234 [wfx]\n [<93a70356>] ieee80211_start_ap+0x404/0x6b4 [mac80211]\n [] nl80211_start_ap+0x76c/0x9e0 [cfg80211]\n [<47bd8b68>] genl_rcv_msg+0x198/0x378\n [<453ef796>] netlink_rcv_skb+0xd0/0x130\n [<6b7c977a>] genl_rcv+0x34/0x44\n [<66b2d04d>] netlink_unicast+0x1b4/0x258\n [] netlink_sendmsg+0x1e8/0x428\n [] ____sys_sendmsg+0x1e0/0x274\n [] ___sys_sendmsg+0x80/0xb4\n\nHowever, since the kernel is build optimized, it seems the stack is not\naccurate. It appears the issue is related to wfx_set_mfp_ap(). The issue\nis obvious in this function: memory allocated by ieee80211_beacon_get()\nis never released. Fixing this leak makes kmemleak happy.", "category":"description", "title":"Vulnerability Description" } ], "product_status":{ "fixed":[ "openEuler-22.03-LTS-SP3:kernel-devel-5.10.0-199.0.0.112.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:kernel-tools-5.10.0-199.0.0.112.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:kernel-tools-devel-5.10.0-199.0.0.112.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:perf-debuginfo-5.10.0-199.0.0.112.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:kernel-5.10.0-199.0.0.112.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:kernel-tools-debuginfo-5.10.0-199.0.0.112.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:kernel-headers-5.10.0-199.0.0.112.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:kernel-debugsource-5.10.0-199.0.0.112.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:python3-perf-5.10.0-199.0.0.112.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:kernel-source-5.10.0-199.0.0.112.oe2203sp3.aarch64", "openEuler-22.03-LTS-SP3:perf-5.10.0-199.0.0.112.oe2203sp3.aarch64", 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"openEuler-22.03-LTS-SP3:kernel-tools-devel-5.10.0-199.0.0.112.oe2203sp3.x86_64", "openEuler-22.03-LTS-SP3:kernel-source-5.10.0-199.0.0.112.oe2203sp3.x86_64", "openEuler-22.03-LTS-SP3:kernel-devel-5.10.0-199.0.0.112.oe2203sp3.x86_64", "openEuler-22.03-LTS-SP3:kernel-debuginfo-5.10.0-199.0.0.112.oe2203sp3.x86_64", "openEuler-22.03-LTS-SP3:kernel-headers-5.10.0-199.0.0.112.oe2203sp3.x86_64", "openEuler-22.03-LTS-SP3:perf-debuginfo-5.10.0-199.0.0.112.oe2203sp3.x86_64", "openEuler-22.03-LTS-SP3:kernel-5.10.0-199.0.0.112.oe2203sp3.x86_64" ], "details":"kernel security update", "category":"vendor_fix", "url":"https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-1622" } ], "scores":[ { "cvss_v3":{ "baseSeverity":"MEDIUM", "baseScore":4.3, "vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "version":"3.1" }, "products":[ "openEuler-22.03-LTS-SP3:kernel-devel-5.10.0-199.0.0.112.oe2203sp3.aarch64", 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"openEuler-22.03-LTS-SP3:perf-debuginfo-5.10.0-199.0.0.112.oe2203sp3.x86_64", "openEuler-22.03-LTS-SP3:kernel-5.10.0-199.0.0.112.oe2203sp3.x86_64" ] } ], "threats":[ { "details":"Medium", "category":"impact" } ], "title":"CVE-2024-26896" } ] }