{"id":"DEBIAN-CVE-2022-49803","details":"In the Linux kernel, the following vulnerability has been resolved:  netdevsim: Fix memory leak of nsim_dev-\u003efa_cookie  kmemleak reports this issue:  unreferenced object 0xffff8881bac872d0 (size 8):   comm \"sh\", pid 58603, jiffies 4481524462 (age 68.065s)   hex dump (first 8 bytes):     04 00 00 00 de ad be ef                          ........   backtrace:     [\u003c00000000c80b8577\u003e] __kmalloc+0x49/0x150     [\u003c000000005292b8c6\u003e] nsim_dev_trap_fa_cookie_write+0xc1/0x210 [netdevsim]     [\u003c0000000093d78e77\u003e] full_proxy_write+0xf3/0x180     [\u003c000000005a662c16\u003e] vfs_write+0x1c5/0xaf0     [\u003c000000007aabf84a\u003e] ksys_write+0xed/0x1c0     [\u003c000000005f1d2e47\u003e] do_syscall_64+0x3b/0x90     [\u003c000000006001c6ec\u003e] entry_SYSCALL_64_after_hwframe+0x63/0xcd  The issue occurs in the following scenarios:  nsim_dev_trap_fa_cookie_write()   kmalloc() fa_cookie   nsim_dev-\u003efa_cookie = fa_cookie .. nsim_drv_remove()  The fa_cookie allocked in nsim_dev_trap_fa_cookie_write() is not freed. To fix, add kfree(nsim_dev-\u003efa_cookie) to nsim_drv_remove().","modified":"2026-09-01T16:05:33.909077732Z","published":"2025-05-01T15:16:03.617Z","upstream":["CVE-2022-49803"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2022-49803"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.10-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49803.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.10-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49803.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.10-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49803.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}