{"id":"CVE-2022-50529","state":"PUBLISHED","title":"test_firmware: fix memory leak in test_firmware_init()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ntest_firmware: fix memory leak in test_firmware_init()\n\nWhen misc_register() failed in test_firmware_init(), the memory pointed\nby test_fw_config->name is not released. The memory leak information is\nas follows:\nunreferenced object 0xffff88810a34cb00 (size 32):\n  comm \"insmod\", pid 7952, jiffies 4294948236 (age 49.060s)\n  hex dump (first 32 bytes):\n    74 65 73 74 2d 66 69 72 6d 77 61 72 65 2e 62 69  test-firmware.bi\n    6e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  n...............\n  backtrace:\n    [<ffffffff81b21fcb>] __kmalloc_node_track_caller+0x4b/0xc0\n    [<ffffffff81affb96>] kstrndup+0x46/0xc0\n    [<ffffffffa0403a49>] __test_firmware_config_init+0x29/0x380 [test_firmware]\n    [<ffffffffa040f068>] 0xffffffffa040f068\n    [<ffffffff81002c41>] do_one_initcall+0x141/0x780\n    [<ffffffff816a72c3>] do_init_module+0x1c3/0x630\n    [<ffffffff816adb9e>] load_module+0x623e/0x76a0\n    [<ffffffff816af471>] __do_sys_finit_module+0x181/0x240\n    [<ffffffff89978f99>] do_syscall_64+0x39/0xb0\n    [<ffffffff89a0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd","publishedAt":"2025-10-07T15:19:20.581Z","updatedAt":"2026-05-11T19:21:11.394Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"c92316bf8e94830a0225f2e904cbdbd173768419","status":"affected","lessThan":"ed5cbafaf7ce8b86f19998c00eb020c8d49b017f","versionType":"git"},{"version":"c92316bf8e94830a0225f2e904cbdbd173768419","status":"affected","lessThan":"04dd47a2e169f2d4489636afa07ff0469aab49ab","versionType":"git"},{"version":"c92316bf8e94830a0225f2e904cbdbd173768419","status":"affected","lessThan":"628de998a3abfffb3f9677d2fb39a1d5dcb32fdb","versionType":"git"},{"version":"c92316bf8e94830a0225f2e904cbdbd173768419","status":"affected","lessThan":"0b5a89e8bce1ea43687742b4de8e216189ff94ac","versionType":"git"},{"version":"c92316bf8e94830a0225f2e904cbdbd173768419","status":"affected","lessThan":"357379d504c0c8b0834e206ad8c49e4b3c98ed4d","versionType":"git"},{"version":"c92316bf8e94830a0225f2e904cbdbd173768419","status":"affected","lessThan":"8d8c1d6a430f0aadb80036e2b1bc0a05f9fad247","versionType":"git"},{"version":"c92316bf8e94830a0225f2e904cbdbd173768419","status":"affected","lessThan":"6dd5fbd243f19f087dc79481acb7d69fb57fea2c","versionType":"git"},{"version":"c92316bf8e94830a0225f2e904cbdbd173768419","status":"affected","lessThan":"7610615e8cdb3f6f5bbd9d8e7a5d8a63e3cabf2e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["lib/test_firmware.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.14","versionType":"semver"},{"version":"4.14.303","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.270","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.229","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.163","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.86","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.16","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.2","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["lib/test_firmware.c"]}],"references":["https://git.kernel.org/stable/c/ed5cbafaf7ce8b86f19998c00eb020c8d49b017f","https://git.kernel.org/stable/c/04dd47a2e169f2d4489636afa07ff0469aab49ab","https://git.kernel.org/stable/c/628de998a3abfffb3f9677d2fb39a1d5dcb32fdb","https://git.kernel.org/stable/c/0b5a89e8bce1ea43687742b4de8e216189ff94ac","https://git.kernel.org/stable/c/357379d504c0c8b0834e206ad8c49e4b3c98ed4d","https://git.kernel.org/stable/c/8d8c1d6a430f0aadb80036e2b1bc0a05f9fad247","https://git.kernel.org/stable/c/6dd5fbd243f19f087dc79481acb7d69fb57fea2c","https://git.kernel.org/stable/c/7610615e8cdb3f6f5bbd9d8e7a5d8a63e3cabf2e"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50529.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50529","state":"PUBLISHED","datePublished":"2025-10-07T15:19:20.581Z","dateUpdated":"2026-05-11T19:21:11.394Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-10-07T15:15:38.664Z"},"containers":{"cna":{"title":"test_firmware: fix memory leak in test_firmware_init()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ntest_firmware: fix memory leak in test_firmware_init()\n\nWhen misc_register() failed in test_firmware_init(), the memory pointed\nby test_fw_config->name is not released. The memory leak information is\nas follows:\nunreferenced object 0xffff88810a34cb00 (size 32):\n  comm \"insmod\", pid 7952, jiffies 4294948236 (age 49.060s)\n  hex dump (first 32 bytes):\n    74 65 73 74 2d 66 69 72 6d 77 61 72 65 2e 62 69  test-firmware.bi\n    6e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  n...............\n  backtrace:\n    [<ffffffff81b21fcb>] __kmalloc_node_track_caller+0x4b/0xc0\n    [<ffffffff81affb96>] kstrndup+0x46/0xc0\n    [<ffffffffa0403a49>] __test_firmware_config_init+0x29/0x380 [test_firmware]\n    [<ffffffffa040f068>] 0xffffffffa040f068\n    [<ffffffff81002c41>] do_one_initcall+0x141/0x780\n    [<ffffffff816a72c3>] do_init_module+0x1c3/0x630\n    [<ffffffff816adb9e>] load_module+0x623e/0x76a0\n    [<ffffffff816af471>] __do_sys_finit_module+0x181/0x240\n    [<ffffffff89978f99>] do_syscall_64+0x39/0xb0\n    [<ffffffff89a0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"c92316bf8e94830a0225f2e904cbdbd173768419","status":"affected","lessThan":"ed5cbafaf7ce8b86f19998c00eb020c8d49b017f","versionType":"git"},{"version":"c92316bf8e94830a0225f2e904cbdbd173768419","status":"affected","lessThan":"04dd47a2e169f2d4489636afa07ff0469aab49ab","versionType":"git"},{"version":"c92316bf8e94830a0225f2e904cbdbd173768419","status":"affected","lessThan":"628de998a3abfffb3f9677d2fb39a1d5dcb32fdb","versionType":"git"},{"version":"c92316bf8e94830a0225f2e904cbdbd173768419","status":"affected","lessThan":"0b5a89e8bce1ea43687742b4de8e216189ff94ac","versionType":"git"},{"version":"c92316bf8e94830a0225f2e904cbdbd173768419","status":"affected","lessThan":"357379d504c0c8b0834e206ad8c49e4b3c98ed4d","versionType":"git"},{"version":"c92316bf8e94830a0225f2e904cbdbd173768419","status":"affected","lessThan":"8d8c1d6a430f0aadb80036e2b1bc0a05f9fad247","versionType":"git"},{"version":"c92316bf8e94830a0225f2e904cbdbd173768419","status":"affected","lessThan":"6dd5fbd243f19f087dc79481acb7d69fb57fea2c","versionType":"git"},{"version":"c92316bf8e94830a0225f2e904cbdbd173768419","status":"affected","lessThan":"7610615e8cdb3f6f5bbd9d8e7a5d8a63e3cabf2e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["lib/test_firmware.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.14","versionType":"semver"},{"version":"4.14.303","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.270","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.229","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.163","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.86","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.16","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.2","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["lib/test_firmware.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/ed5cbafaf7ce8b86f19998c00eb020c8d49b017f"},{"url":"https://git.kernel.org/stable/c/04dd47a2e169f2d4489636afa07ff0469aab49ab"},{"url":"https://git.kernel.org/stable/c/628de998a3abfffb3f9677d2fb39a1d5dcb32fdb"},{"url":"https://git.kernel.org/stable/c/0b5a89e8bce1ea43687742b4de8e216189ff94ac"},{"url":"https://git.kernel.org/stable/c/357379d504c0c8b0834e206ad8c49e4b3c98ed4d"},{"url":"https://git.kernel.org/stable/c/8d8c1d6a430f0aadb80036e2b1bc0a05f9fad247"},{"url":"https://git.kernel.org/stable/c/6dd5fbd243f19f087dc79481acb7d69fb57fea2c"},{"url":"https://git.kernel.org/stable/c/7610615e8cdb3f6f5bbd9d8e7a5d8a63e3cabf2e"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:21:11.394Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"4.14.303"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"4.19.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"5.4.229"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"5.10.163"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"5.15.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.0.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.1.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}