{ "document":{ "aggregate_severity":{ "namespace":"https://nvd.nist.gov/vuln-metrics/cvss", "text":"HIGH" }, "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\njffs2: fix memory leak in jffs2_scan_medium\n\nIf an error is returned in jffs2_scan_eraseblock() and some memory\nhas been added to the jffs2_summary *s, we can observe the following\nkmemleak report:\n\n--------------------------------------------\nunreferenced object 0xffff88812b889c40 (size 64):\n comm \"mount\", pid 692, jiffies 4294838325 (age 34.288s)\n hex dump (first 32 bytes):\n 40 48 b5 14 81 88 ff ff 01 e0 31 00 00 00 50 00 @H........1...P.\n 00 00 01 00 00 00 01 00 00 00 02 00 00 00 09 08 ................\n backtrace:\n [] __kmalloc+0x613/0x910\n [] jffs2_sum_add_dirent_mem+0x5c/0xa0\n [] jffs2_scan_medium.cold+0x36e5/0x4794\n [] jffs2_do_mount_fs.cold+0xa7/0x2267\n [] jffs2_do_fill_super+0x383/0xc30\n [] jffs2_fill_super+0x2ea/0x4c0\n [] mtd_get_sb+0x254/0x400\n [] mtd_get_sb_by_nr+0x4f/0xd0\n [] get_tree_mtd+0x498/0x840\n [] jffs2_get_tree+0x25/0x30\n [] vfs_get_tree+0x8d/0x2e0\n [] path_mount+0x50f/0x1e50\n [] do_mount+0x107/0x130\n [] __se_sys_mount+0x1c5/0x2f0\n [] __x64_sys_mount+0xc7/0x160\n [] do_syscall_64+0x45/0x70\nunreferenced object 0xffff888114b54840 (size 32):\n comm \"mount\", pid 692, jiffies 4294838325 (age 34.288s)\n hex dump (first 32 bytes):\n c0 75 b5 14 81 88 ff ff 02 e0 02 00 00 00 02 00 .u..............\n 00 00 84 00 00 00 44 00 00 00 6b 6b 6b 6b 6b a5 ......D...kkkkk.\n backtrace:\n [] kmem_cache_alloc_trace+0x584/0x880\n [] jffs2_sum_add_inode_mem+0x54/0x90\n [] jffs2_scan_medium.cold+0x4481/0x4794\n [...]\nunreferenced object 0xffff888114b57280 (size 32):\n comm \"mount\", pid 692, jiffies 4294838393 (age 34.357s)\n hex dump (first 32 bytes):\n 10 d5 6c 11 81 88 ff ff 08 e0 05 00 00 00 01 00 ..l.............\n 00 00 38 02 00 00 28 00 00 00 6b 6b 6b 6b 6b a5 ..8...(...kkkkk.\n backtrace:\n [] kmem_cache_alloc_trace+0x584/0x880\n [] jffs2_sum_add_xattr_mem+0x54/0x90\n [] jffs2_scan_medium.cold+0x298c/0x4794\n [...]\nunreferenced object 0xffff8881116cd510 (size 16):\n comm \"mount\", pid 692, jiffies 4294838395 (age 34.355s)\n hex dump (first 16 bytes):\n 00 00 00 00 00 00 00 00 09 e0 60 02 00 00 6b a5 ..........`...k.\n backtrace:\n [] kmem_cache_alloc_trace+0x584/0x880\n [] jffs2_sum_add_xref_mem+0x54/0x90\n [] jffs2_scan_medium.cold+0x3a20/0x4794\n [...]\n--------------------------------------------\n\nTherefore, we should call jffs2_sum_reset_collected(s) on exit to\nrelease the memory added in s. In addition, a new tag \"out_buf\" is\nadded to prevent the NULL pointer reference caused by s being NULL.\n(thanks to Zhang Yi for this analysis)", "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-2022-49276" }, { "summary":"CVE-2022-49276 vex file", "category":"self", "url":"https://repo.openeuler.org/security/data/csaf/cve/2022/csaf-openeuler-cve-2022-49276.json" }, { "summary":"openEuler-SA-2025-1317", "category":"self", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-1317" }, { "summary":"CVE-2022-49276", "category":"self", "url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2022-49276&packageName=kernel" } ], "title":"openEuler cve CVE-2022-49276", "tracking":{ "initial_release_date":"2025-03-21T21:19:32+08:00", "revision_history":[ { "date":"2025-03-21T21:19:32+08:00", "summary":"Initial", "number":"1.0.0" } ], "generator":{ "date":"2025-03-21T21:19:32+08:00", "engine":{ "name":"openEuler CSAF Tool V1.0" } }, "current_release_date":"2025-03-21T21:19:32+08:00", "id":"CVE-2022-49276", "version":"1.0.0", "status":"interim" } }, "product_tree":{ "branches":[ { "name":"openEuler", "category":"vendor", "branches":[ { "name":"openEuler", "branches":[ { "product":{ "product_identification_helper":{ "cpe":"cpe:/a:openEuler:openEuler:20.03-LTS-SP4" }, "product_id":"openEuler-20.03-LTS-SP4", "name":"openEuler-20.03-LTS-SP4" }, "name":"openEuler-20.03-LTS-SP4", "category":"product_version" } ], "category":"product_name" }, { "name":"aarch64", "branches":[ { "product":{ "product_identification_helper":{ "cpe":"cpe:/a:openEuler:openEuler:20.03-LTS-SP4" }, 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ff 01 e0 31 00 00 00 50 00 @H........1...P.\n 00 00 01 00 00 00 01 00 00 00 02 00 00 00 09 08 ................\n backtrace:\n [] __kmalloc+0x613/0x910\n [] jffs2_sum_add_dirent_mem+0x5c/0xa0\n [] jffs2_scan_medium.cold+0x36e5/0x4794\n [] jffs2_do_mount_fs.cold+0xa7/0x2267\n [] jffs2_do_fill_super+0x383/0xc30\n [] jffs2_fill_super+0x2ea/0x4c0\n [] mtd_get_sb+0x254/0x400\n [] mtd_get_sb_by_nr+0x4f/0xd0\n [] get_tree_mtd+0x498/0x840\n [] jffs2_get_tree+0x25/0x30\n [] vfs_get_tree+0x8d/0x2e0\n [] path_mount+0x50f/0x1e50\n [] do_mount+0x107/0x130\n [] __se_sys_mount+0x1c5/0x2f0\n [] __x64_sys_mount+0xc7/0x160\n [] do_syscall_64+0x45/0x70\nunreferenced object 0xffff888114b54840 (size 32):\n comm \"mount\", pid 692, jiffies 4294838325 (age 34.288s)\n hex dump (first 32 bytes):\n c0 75 b5 14 81 88 ff ff 02 e0 02 00 00 00 02 00 .u..............\n 00 00 84 00 00 00 44 00 00 00 6b 6b 6b 6b 6b a5 ......D...kkkkk.\n backtrace:\n [] kmem_cache_alloc_trace+0x584/0x880\n [] jffs2_sum_add_inode_mem+0x54/0x90\n [] jffs2_scan_medium.cold+0x4481/0x4794\n [...]\nunreferenced object 0xffff888114b57280 (size 32):\n comm \"mount\", pid 692, jiffies 4294838393 (age 34.357s)\n hex dump (first 32 bytes):\n 10 d5 6c 11 81 88 ff ff 08 e0 05 00 00 00 01 00 ..l.............\n 00 00 38 02 00 00 28 00 00 00 6b 6b 6b 6b 6b a5 ..8...(...kkkkk.\n backtrace:\n [] kmem_cache_alloc_trace+0x584/0x880\n [] jffs2_sum_add_xattr_mem+0x54/0x90\n [] jffs2_scan_medium.cold+0x298c/0x4794\n [...]\nunreferenced object 0xffff8881116cd510 (size 16):\n comm \"mount\", pid 692, jiffies 4294838395 (age 34.355s)\n hex dump (first 16 bytes):\n 00 00 00 00 00 00 00 00 09 e0 60 02 00 00 6b a5 ..........`...k.\n backtrace:\n [] kmem_cache_alloc_trace+0x584/0x880\n [] jffs2_sum_add_xref_mem+0x54/0x90\n [] jffs2_scan_medium.cold+0x3a20/0x4794\n [...]\n--------------------------------------------\n\nTherefore, we should call jffs2_sum_reset_collected(s) on exit to\nrelease the memory added in s. In addition, a new tag \"out_buf\" is\nadded to prevent the NULL pointer reference caused by s being NULL.\n(thanks to Zhang Yi for this analysis)", "category":"description", "title":"Vulnerability Description" } ], "product_status":{ "fixed":[ "openEuler-20.03-LTS-SP4:bpftool-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:bpftool-debuginfo-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-debuginfo-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-debugsource-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-devel-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-source-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-tools-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-tools-debuginfo-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", 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"vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version":"3.1" }, "products":[ "openEuler-20.03-LTS-SP4:bpftool-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:bpftool-debuginfo-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-debuginfo-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-debugsource-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-devel-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-source-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-tools-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-tools-debuginfo-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:kernel-tools-devel-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", "openEuler-20.03-LTS-SP4:perf-4.19.90-2503.4.0.0320.oe2003sp4.aarch64", 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