{"id":"DEBIAN-CVE-2024-46824","details":"In the Linux kernel, the following vulnerability has been resolved:  iommufd: Require drivers to supply the cache_invalidate_user ops  If drivers don't do this then iommufd will oops invalidation ioctls with something like:    Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000   Mem abort info:     ESR = 0x0000000086000004     EC = 0x21: IABT (current EL), IL = 32 bits     SET = 0, FnV = 0     EA = 0, S1PTW = 0     FSC = 0x04: level 0 translation fault   user pgtable: 4k pages, 48-bit VAs, pgdp=0000000101059000   [0000000000000000] pgd=0000000000000000, p4d=0000000000000000   Internal error: Oops: 0000000086000004 [#1] PREEMPT SMP   Modules linked in:   CPU: 2 PID: 371 Comm: qemu-system-aar Not tainted 6.8.0-rc7-gde77230ac23a #9   Hardware name: linux,dummy-virt (DT)   pstate: 81400809 (Nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=-c)   pc : 0x0   lr : iommufd_hwpt_invalidate+0xa4/0x204   sp : ffff800080f3bcc0   x29: ffff800080f3bcf0 x28: ffff0000c369b300 x27: 0000000000000000   x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000   x23: 0000000000000000 x22: 00000000c1e334a0 x21: ffff0000c1e334a0   x20: ffff800080f3bd38 x19: ffff800080f3bd58 x18: 0000000000000000   x17: 0000000000000000 x16: 0000000000000000 x15: 0000ffff8240d6d8   x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000   x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000   x8 : 0000001000000002 x7 : 0000fffeac1ec950 x6 : 0000000000000000   x5 : ffff800080f3bd78 x4 : 0000000000000003 x3 : 0000000000000002   x2 : 0000000000000000 x1 : ffff800080f3bcc8 x0 : ffff0000c6034d80   Call trace:    0x0    iommufd_fops_ioctl+0x154/0x274    __arm64_sys_ioctl+0xac/0xf0    invoke_syscall+0x48/0x110    el0_svc_common.constprop.0+0x40/0xe0    do_el0_svc+0x1c/0x28    el0_svc+0x34/0xb4    el0t_64_sync_handler+0x120/0x12c    el0t_64_sync+0x190/0x194  All existing drivers implement this op for nesting, this is mostly a bisection aid.","modified":"2026-09-15T09:03:11.831885431Z","published":"2024-09-27T13:15:14.960Z","upstream":["CVE-2024-46824"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2024-46824"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.10.11-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-46824.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.10.11-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-46824.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"}]}