2024-09-11 16:01:06 +00:00
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{
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2024-09-27 13:00:34 +00:00
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"data_version": "4.0",
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2024-09-11 16:01:06 +00:00
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"data_type": "CVE",
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"data_format": "MITRE",
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"CVE_data_meta": {
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"ID": "CVE-2024-46824",
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2024-09-27 13:00:34 +00:00
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"ASSIGNER": "cve@kernel.org",
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"STATE": "PUBLIC"
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2024-09-11 16:01:06 +00:00
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},
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"description": {
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"description_data": [
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{
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"lang": "eng",
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2024-09-27 13:00:34 +00:00
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommufd: Require drivers to supply the cache_invalidate_user ops\n\nIf drivers don't do this then iommufd will oops invalidation ioctls with\nsomething like:\n\n Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\n Mem abort info:\n ESR = 0x0000000086000004\n EC = 0x21: IABT (current EL), IL = 32 bits\n SET = 0, FnV = 0\n EA = 0, S1PTW = 0\n FSC = 0x04: level 0 translation fault\n user pgtable: 4k pages, 48-bit VAs, pgdp=0000000101059000\n [0000000000000000] pgd=0000000000000000, p4d=0000000000000000\n Internal error: Oops: 0000000086000004 [#1] PREEMPT SMP\n Modules linked in:\n CPU: 2 PID: 371 Comm: qemu-system-aar Not tainted 6.8.0-rc7-gde77230ac23a #9\n Hardware name: linux,dummy-virt (DT)\n pstate: 81400809 (Nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=-c)\n pc : 0x0\n lr : iommufd_hwpt_invalidate+0xa4/0x204\n sp : ffff800080f3bcc0\n x29: ffff800080f3bcf0 x28: ffff0000c369b300 x27: 0000000000000000\n x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000\n x23: 0000000000000000 x22: 00000000c1e334a0 x21: ffff0000c1e334a0\n x20: ffff800080f3bd38 x19: ffff800080f3bd58 x18: 0000000000000000\n x17: 0000000000000000 x16: 0000000000000000 x15: 0000ffff8240d6d8\n x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000\n x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000\n x8 : 0000001000000002 x7 : 0000fffeac1ec950 x6 : 0000000000000000\n x5 : ffff800080f3bd78 x4 : 0000000000000003 x3 : 0000000000000002\n x2 : 0000000000000000 x1 : ffff800080f3bcc8 x0 : ffff0000c6034d80\n Call trace:\n 0x0\n iommufd_fops_ioctl+0x154/0x274\n __arm64_sys_ioctl+0xac/0xf0\n invoke_syscall+0x48/0x110\n el0_svc_common.constprop.0+0x40/0xe0\n do_el0_svc+0x1c/0x28\n el0_svc+0x34/0xb4\n el0t_64_sync_handler+0x120/0x12c\n el0t_64_sync+0x190/0x194\n\nAll existing drivers implement this op for nesting, this is mostly a\nbisection aid."
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2024-09-11 16:01:06 +00:00
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}
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]
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2024-09-27 13:00:34 +00:00
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},
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"problemtype": {
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"problemtype_data": [
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{
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"description": [
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{
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"lang": "eng",
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"value": "n/a"
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}
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]
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}
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]
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},
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"affects": {
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"vendor": {
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"vendor_data": [
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{
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"vendor_name": "Linux",
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"product": {
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"product_data": [
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{
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"product_name": "Linux",
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"version": {
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"version_data": [
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{
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"version_affected": "<",
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"version_name": "8c6eabae3807",
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"version_value": "89827a4de802"
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},
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{
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"version_value": "not down converted",
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"x_cve_json_5_version_data": {
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"versions": [
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{
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"version": "6.8",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "6.8",
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"status": "unaffected",
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2024-11-05 11:01:11 +00:00
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"versionType": "semver"
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2024-09-27 13:00:34 +00:00
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},
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{
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"version": "6.10.10",
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"lessThanOrEqual": "6.10.*",
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"status": "unaffected",
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2024-11-05 11:01:11 +00:00
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"versionType": "semver"
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2024-09-27 13:00:34 +00:00
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},
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{
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"version": "6.11",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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],
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"defaultStatus": "affected"
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}
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}
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]
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}
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}
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]
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}
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}
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]
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}
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},
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"references": {
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"reference_data": [
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{
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"url": "https://git.kernel.org/stable/c/89827a4de802765b1ebb401fc1e73a90108c7520",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/89827a4de802765b1ebb401fc1e73a90108c7520"
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},
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{
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"url": "https://git.kernel.org/stable/c/a11dda723c6493bb1853bbc61c093377f96e2d47",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/a11dda723c6493bb1853bbc61c093377f96e2d47"
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}
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]
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},
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"generator": {
|
2024-11-05 11:01:11 +00:00
|
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"engine": "bippy-9e1c9544281a"
|
2024-09-11 16:01:06 +00:00
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}
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}
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