mirror of
https://github.com/CVEProject/cvelist.git
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102 lines
5.7 KiB
JSON
102 lines
5.7 KiB
JSON
{
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"data_version": "4.0",
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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-2024-27070",
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"ASSIGNER": "cve@kernel.org",
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"STATE": "PUBLIC"
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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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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to avoid use-after-free issue in f2fs_filemap_fault\n\nsyzbot reports a f2fs bug as below:\n\nBUG: KASAN: slab-use-after-free in f2fs_filemap_fault+0xd1/0x2c0 fs/f2fs/file.c:49\nRead of size 8 at addr ffff88807bb22680 by task syz-executor184/5058\n\nCPU: 0 PID: 5058 Comm: syz-executor184 Not tainted 6.7.0-syzkaller-09928-g052d534373b7 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023\nCall Trace:\n <TASK>\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106\n print_address_description mm/kasan/report.c:377 [inline]\n print_report+0x163/0x540 mm/kasan/report.c:488\n kasan_report+0x142/0x170 mm/kasan/report.c:601\n f2fs_filemap_fault+0xd1/0x2c0 fs/f2fs/file.c:49\n __do_fault+0x131/0x450 mm/memory.c:4376\n do_shared_fault mm/memory.c:4798 [inline]\n do_fault mm/memory.c:4872 [inline]\n do_pte_missing mm/memory.c:3745 [inline]\n handle_pte_fault mm/memory.c:5144 [inline]\n __handle_mm_fault+0x23b7/0x72b0 mm/memory.c:5285\n handle_mm_fault+0x27e/0x770 mm/memory.c:5450\n do_user_addr_fault arch/x86/mm/fault.c:1364 [inline]\n handle_page_fault arch/x86/mm/fault.c:1507 [inline]\n exc_page_fault+0x456/0x870 arch/x86/mm/fault.c:1563\n asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570\n\nThe root cause is: in f2fs_filemap_fault(), vmf->vma may be not alive after\nfilemap_fault(), so it may cause use-after-free issue when accessing\nvmf->vma->vm_flags in trace_f2fs_filemap_fault(). So it needs to keep vm_flags\nin separated temporary variable for tracepoint use."
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}
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]
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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": "87f3afd366f7",
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"version_value": "8186e16a766d"
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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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"versionType": "custom"
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},
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{
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"version": "6.8.2",
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"lessThanOrEqual": "6.8.*",
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"status": "unaffected",
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"versionType": "custom"
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},
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{
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"version": "6.9",
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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/8186e16a766d709a08f188d2f4e84098f364bea1",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/8186e16a766d709a08f188d2f4e84098f364bea1"
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},
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{
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"url": "https://git.kernel.org/stable/c/eb70d5a6c932d9d23f4bb3e7b83782c21ac4b064",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/eb70d5a6c932d9d23f4bb3e7b83782c21ac4b064"
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}
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]
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},
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"generator": {
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"engine": "bippy-a5840b7849dd"
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}
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} |