{"affected":[{"defaultStatus":"unaffected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"lessThan":"65ba7e7c241122ef0a9e61d1920f2ae9689aa796","status":"affected","version":"9fe41efaca08416657efa8731c0d47ccb6a3f3eb","versionType":"git"},{"lessThan":"07ba4f0603aba288580866394f2916dfe55823a2","status":"affected","version":"9fe41efaca08416657efa8731c0d47ccb6a3f3eb","versionType":"git"},{"lessThan":"0e5baaa181a052d968701bb9c5b1d55847f00942","status":"affected","version":"9fe41efaca08416657efa8731c0d47ccb6a3f3eb","versionType":"git"},{"lessThan":"a4527fef9afe5c903c718d0cd24609fe9c754250","status":"affected","version":"9fe41efaca08416657efa8731c0d47ccb6a3f3eb","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"status":"affected","version":"5.6"},{"lessThan":"5.6","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.156","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.80","versionType":"semver"},{"lessThanOrEqual":"6.0.*","status":"unaffected","version":"6.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.1","versionType":"original_commit_for_fix"}]}],"cveId":"CVE-2022-49800","cwes":[],"description":"In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Fix memory leak in test_gen_synth_cmd() and test_empty_synth_event()\n\ntest_gen_synth_cmd() only free buf in fail path, hence buf will leak\nwhen there is no failure. Add kfree(buf) to prevent the memleak. The\nsame reason and solution in test_empty_synth_event().\n\nunreferenced object 0xffff8881127de000 (size 2048):\n  comm \"modprobe\", pid 247, jiffies 4294972316 (age 78.756s)\n  hex dump (first 32 bytes):\n    20 67 65 6e 5f 73 79 6e 74 68 5f 74 65 73 74 20   gen_synth_test\n    20 70 69 64 5f 74 20 6e 65 78 74 5f 70 69 64 5f   pid_t next_pid_\n  backtrace:\n    [<000000004254801a>] kmalloc_trace+0x26/0x100\n    [<0000000039eb1cf5>] 0xffffffffa00083cd\n    [<000000000e8c3bc8>] 0xffffffffa00086ba\n    [<00000000c293d1ea>] do_one_initcall+0xdb/0x480\n    [<00000000aa189e6d>] do_init_module+0x1cf/0x680\n    [<00000000d513222b>] load_module+0x6a50/0x70a0\n    [<000000001fd4d529>] __do_sys_finit_module+0x12f/0x1c0\n    [<00000000b36c4c0f>] do_syscall_64+0x3f/0x90\n    [<00000000bbf20cf3>] entry_SYSCALL_64_after_hwframe+0x63/0xcd\nunreferenced object 0xffff8881127df000 (size 2048):\n  comm \"modprobe\", pid 247, jiffies 4294972324 (age 78.728s)\n  hex dump (first 32 bytes):\n    20 65 6d 70 74 79 5f 73 79 6e 74 68 5f 74 65 73   empty_synth_tes\n    74 20 20 70 69 64 5f 74 20 6e 65 78 74 5f 70 69  t  pid_t next_pi\n  backtrace:\n    [<000000004254801a>] kmalloc_trace+0x26/0x100\n    [<00000000d4db9a3d>] 0xffffffffa0008071\n    [<00000000c31354a5>] 0xffffffffa00086ce\n    [<00000000c293d1ea>] do_one_initcall+0xdb/0x480\n    [<00000000aa189e6d>] do_init_module+0x1cf/0x680\n    [<00000000d513222b>] load_module+0x6a50/0x70a0\n    [<000000001fd4d529>] __do_sys_finit_module+0x12f/0x1c0\n    [<00000000b36c4c0f>] do_syscall_64+0x3f/0x90\n    [<00000000bbf20cf3>] entry_SYSCALL_64_after_hwframe+0x63/0xcd","epss":{"date":"2026-11-05","percentile":0.1016,"score":0.00202},"exploits":[],"kev":null,"metrics":[],"modifiedAt":1793908189647,"publishedAt":1746108569042,"references":[{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/65ba7e7c241122ef0a9e61d1920f2ae9689aa796"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/07ba4f0603aba288580866394f2916dfe55823a2"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/0e5baaa181a052d968701bb9c5b1d55847f00942"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/a4527fef9afe5c903c718d0cd24609fe9c754250"}],"remediation":[],"revision":"962a18ea91d4e8e4945c2e8c752e649a0a5d50e0b6b4a328a9d7c203f2e3cd32","sources":[{"modifiedAt":1793908189647,"name":"CNA: Linux","retrievedAt":1793909430510,"url":"https://www.cve.org/CVERecord?id=CVE-2022-49800"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793909454527,"url":"https://api.first.org/data/v1/epss?cve=CVE-2022-49800"}],"ssvc":{"assessedAt":1793908121057,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"tracing: Fix memory leak in test_gen_synth_cmd() and test_empty_synth_event()","updatedAt":1793909454527}