{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2022-50626", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-50626", "idYear": 2022, "status": "PUBLISHED", "publishedAt": "2025-12-08T01:16:40.754Z", "updatedAt": "2026-05-11T19:22:29.322Z", "importedAt": "2026-10-24T01:56:49.724Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "media: dvb-usb: fix memory leak in dvb_usb_adapter_init()", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: dvb-usb: fix memory leak in dvb_usb_adapter_init()\n\nSyzbot reports a memory leak in \"dvb_usb_adapter_init()\".\nThe leak is due to not accounting for and freeing current iteration's\nadapter->priv in case of an error. Currently if an error occurs,\nit will exit before incrementing \"num_adapters_initalized\",\nwhich is used as a reference counter to free all adap->priv\nin \"dvb_usb_adapter_exit()\". There are multiple error paths that\ncan exit from before incrementing the counter. Including the\nerror handling paths for \"dvb_usb_adapter_stream_init()\",\n\"dvb_usb_adapter_dvb_init()\" and \"dvb_usb_adapter_frontend_init()\"\nwithin \"dvb_usb_adapter_init()\".\n\nThis means that in case of an error in any of these functions the\ncurrent iteration is not accounted for and the current iteration's\nadap->priv is not freed.\n\nFix this by freeing the current iteration's adap->priv in the\n\"stream_init_err:\" label in the error path. The rest of the\n(accounted for) adap->priv objects are freed in dvb_usb_adapter_exit()\nas expected using the num_adapters_initalized variable.\n\nSyzbot report:\n\nBUG: memory leak\nunreferenced object 0xffff8881172f1a00 (size 512):\n comm \"kworker/0:2\", pid 139, jiffies 4294994873 (age 10.960s)\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 00 00 00 00 00 00 00 00 ................\nbacktrace:\n [] dvb_usb_adapter_init drivers/media/usb/dvb-usb/dvb-usb-init.c:75 [inline]\n [] dvb_usb_init drivers/media/usb/dvb-usb/dvb-usb-init.c:184 [inline]\n [] dvb_usb_device_init.cold+0x4e5/0x79e drivers/media/usb/dvb-usb/dvb-usb-init.c:308\n [] dib0700_probe+0x8d/0x1b0 drivers/media/usb/dvb-usb/dib0700_core.c:883\n [] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396\n [] call_driver_probe drivers/base/dd.c:542 [inline]\n [] really_probe.part.0+0xe7/0x310 drivers/base/dd.c:621\n [] really_probe drivers/base/dd.c:583 [inline]\n [] __driver_probe_device+0x10c/0x1e0 drivers/base/dd.c:752\n [] driver_probe_device+0x2a/0x120 drivers/base/dd.c:782\n [] __device_attach_driver+0xf6/0x140 drivers/base/dd.c:899\n [] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:427\n [] __device_attach+0x122/0x260 drivers/base/dd.c:970\n [] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:487\n [] device_add+0x5fb/0xdf0 drivers/base/core.c:3405\n [] usb_set_configuration+0x8f2/0xb80 drivers/usb/core/message.c:2170\n [] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238\n [] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293\n [] call_driver_probe drivers/base/dd.c:542 [inline]\n [] really_probe.part.0+0xe7/0x310 drivers/base/dd.c:621\n [] really_probe drivers/base/dd.c:583 [inline]\n [] __driver_probe_device+0x10c/0x1e0 drivers/base/dd.c:752", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "4d43e13f723e12734257277cc38497fab1efc605", "status": "affected", "versionType": "git", "lessThan": "733bc9e226da2a7f43b10031b8ebfc26d89ec4bd" }, { "version": "4d43e13f723e12734257277cc38497fab1efc605", "status": "affected", "versionType": "git", "lessThan": "e5a49140035591d13ff57a7537c65217e5af0d15" }, { "version": "4d43e13f723e12734257277cc38497fab1efc605", "status": "affected", "versionType": "git", "lessThan": "21b6b0c9f3796e6917e90db403dae9e74025fc40" }, { "version": "4d43e13f723e12734257277cc38497fab1efc605", "status": "affected", "versionType": "git", "lessThan": "17217737c174883dd975885ab4bee4b00f517239" }, { "version": "4d43e13f723e12734257277cc38497fab1efc605", "status": "affected", "versionType": "git", "lessThan": "7d7ab25ead969594df05fb09ee46ca931d46c5c8" }, { "version": "4d43e13f723e12734257277cc38497fab1efc605", "status": "affected", "versionType": "git", "lessThan": "d0af6220bb1eed8225a5511de5a3bd386b94afa4" }, { "version": "4d43e13f723e12734257277cc38497fab1efc605", "status": "affected", "versionType": "git", "lessThan": "e5d01eb6dc2f699a395d3e731c58a9b3bb4e269f" }, { "version": "4d43e13f723e12734257277cc38497fab1efc605", "status": "affected", "versionType": "git", "lessThan": "93bbf2ed428142aa9a9693721230b28571678bf8" }, { "version": "4d43e13f723e12734257277cc38497fab1efc605", "status": "affected", "versionType": "git", "lessThan": "94d90fb06b94a90c176270d38861bcba34ce377d" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "2.6.19", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "2.6.19" }, { "version": "4.9.337", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.9.*" }, { "version": "4.14.303", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.14.*" }, { "version": "4.19.270", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.19.*" }, { "version": "5.4.229", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.4.*" }, { "version": "5.10.163", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.86", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.0.16", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.0.*" }, { "version": "6.1.2", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.2", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }