{"affected":[{"defaultStatus":"unaffected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"lessThan":"20ed01a7b9af6e6a3c33761eebbb710ea6dd49b7","status":"affected","version":"4fd5f812c23c7deee6425f4a318e85c317cd1d6c","versionType":"git"},{"lessThan":"7006176a3c863e3e353ce1b8a349ef5bb1b9320e","status":"affected","version":"4fd5f812c23c7deee6425f4a318e85c317cd1d6c","versionType":"git"},{"lessThan":"a3fafc974be37319679f36dc4e7cca7db1e02973","status":"affected","version":"4fd5f812c23c7deee6425f4a318e85c317cd1d6c","versionType":"git"},{"lessThan":"4954b5359eb141499492fadfab891e28905509e2","status":"affected","version":"4fd5f812c23c7deee6425f4a318e85c317cd1d6c","versionType":"git"},{"lessThan":"634f066d02bdb22a26da7deb0c7617ab1a65fc9d","status":"affected","version":"4fd5f812c23c7deee6425f4a318e85c317cd1d6c","versionType":"git"},{"lessThan":"985a88bf0b27193522bba7856b1763f428cef19d","status":"affected","version":"4fd5f812c23c7deee6425f4a318e85c317cd1d6c","versionType":"git"},{"lessThan":"6ce6f8f8f6316da6f92afe7490bc2f0b654d68e0","status":"affected","version":"4fd5f812c23c7deee6425f4a318e85c317cd1d6c","versionType":"git"},{"lessThan":"40e4eb324c59e11fcb927aa46742d28aba6ecb8a","status":"affected","version":"4fd5f812c23c7deee6425f4a318e85c317cd1d6c","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"status":"affected","version":"2.6.28"},{"lessThan":"2.6.28","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"4.9.*","status":"unaffected","version":"4.9.333","versionType":"semver"},{"lessThanOrEqual":"4.14.*","status":"unaffected","version":"4.14.299","versionType":"semver"},{"lessThanOrEqual":"4.19.*","status":"unaffected","version":"4.19.265","versionType":"semver"},{"lessThanOrEqual":"5.4.*","status":"unaffected","version":"5.4.224","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.154","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.78","versionType":"semver"},{"lessThanOrEqual":"6.0.*","status":"unaffected","version":"6.0.8","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.1","versionType":"original_commit_for_fix"}]}],"cveId":"CVE-2022-49907","cwes":[],"description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: mdio: fix undefined behavior in bit shift for __mdiobus_register\n\nShifting signed 32-bit value by 31 bits is undefined, so changing\nsignificant bit to unsigned. The UBSAN warning calltrace like below:\n\nUBSAN: shift-out-of-bounds in drivers/net/phy/mdio_bus.c:586:27\nleft shift of 1 by 31 places cannot be represented in type 'int'\nCall Trace:\n <TASK>\n dump_stack_lvl+0x7d/0xa5\n dump_stack+0x15/0x1b\n ubsan_epilogue+0xe/0x4e\n __ubsan_handle_shift_out_of_bounds+0x1e7/0x20c\n __mdiobus_register+0x49d/0x4e0\n fixed_mdio_bus_init+0xd8/0x12d\n do_one_initcall+0x76/0x430\n kernel_init_freeable+0x3b3/0x422\n kernel_init+0x24/0x1e0\n ret_from_fork+0x1f/0x30\n </TASK>","epss":{"date":"2026-11-05","percentile":0.13858,"score":0.0023},"exploits":[],"kev":null,"metrics":[],"modifiedAt":1793908811220,"publishedAt":1746108651073,"references":[{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/20ed01a7b9af6e6a3c33761eebbb710ea6dd49b7"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/7006176a3c863e3e353ce1b8a349ef5bb1b9320e"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/a3fafc974be37319679f36dc4e7cca7db1e02973"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/4954b5359eb141499492fadfab891e28905509e2"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/634f066d02bdb22a26da7deb0c7617ab1a65fc9d"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/985a88bf0b27193522bba7856b1763f428cef19d"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/6ce6f8f8f6316da6f92afe7490bc2f0b654d68e0"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/40e4eb324c59e11fcb927aa46742d28aba6ecb8a"}],"remediation":[],"revision":"4ac7a2fb9a33c9a5789bf117f35dfb3ceec8cb9761c89404fc103223861a633b","sources":[{"modifiedAt":1793908811220,"name":"CNA: Linux","retrievedAt":1793909478198,"url":"https://www.cve.org/CVERecord?id=CVE-2022-49907"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793909483558,"url":"https://api.first.org/data/v1/epss?cve=CVE-2022-49907"}],"ssvc":{"assessedAt":1793908282278,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"net: mdio: fix undefined behavior in bit shift for __mdiobus_register","updatedAt":1793909483558}