mirror of
https://github.com/CVEProject/cvelist.git
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135 lines
7.9 KiB
JSON
135 lines
7.9 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-2024-44934",
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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\nnet: bridge: mcast: wait for previous gc cycles when removing port\n\nsyzbot hit a use-after-free[1] which is caused because the bridge doesn't\nmake sure that all previous garbage has been collected when removing a\nport. What happens is:\n CPU 1 CPU 2\n start gc cycle remove port\n acquire gc lock first\n wait for lock\n call br_multicasg_gc() directly\n acquire lock now but free port\n the port can be freed\n while grp timers still\n running\n\nMake sure all previous gc cycles have finished by using flush_work before\nfreeing the port.\n\n[1]\n BUG: KASAN: slab-use-after-free in br_multicast_port_group_expired+0x4c0/0x550 net/bridge/br_multicast.c:861\n Read of size 8 at addr ffff888071d6d000 by task syz.5.1232/9699\n\n CPU: 1 PID: 9699 Comm: syz.5.1232 Not tainted 6.10.0-rc5-syzkaller-00021-g24ca36a562d6 #0\n Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024\n Call Trace:\n <IRQ>\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:114\n print_address_description mm/kasan/report.c:377 [inline]\n print_report+0xc3/0x620 mm/kasan/report.c:488\n kasan_report+0xd9/0x110 mm/kasan/report.c:601\n br_multicast_port_group_expired+0x4c0/0x550 net/bridge/br_multicast.c:861\n call_timer_fn+0x1a3/0x610 kernel/time/timer.c:1792\n expire_timers kernel/time/timer.c:1843 [inline]\n __run_timers+0x74b/0xaf0 kernel/time/timer.c:2417\n __run_timer_base kernel/time/timer.c:2428 [inline]\n __run_timer_base kernel/time/timer.c:2421 [inline]\n run_timer_base+0x111/0x190 kernel/time/timer.c:2437"
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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": "e12cec65b554",
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"version_value": "1e16828020c6"
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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": "5.10",
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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": "5.10",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.15.165",
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"lessThanOrEqual": "5.15.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.1.105",
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"lessThanOrEqual": "6.1.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.6.46",
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"lessThanOrEqual": "6.6.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.10.5",
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"lessThanOrEqual": "6.10.*",
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"status": "unaffected",
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"versionType": "semver"
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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/1e16828020c674b3be85f52685e8b80f9008f50f",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/1e16828020c674b3be85f52685e8b80f9008f50f"
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},
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{
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"url": "https://git.kernel.org/stable/c/0d8b26e10e680c01522d7cc14abe04c3265a928f",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/0d8b26e10e680c01522d7cc14abe04c3265a928f"
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},
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{
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"url": "https://git.kernel.org/stable/c/e3145ca904fa8dbfd1a5bf0187905bc117b0efce",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/e3145ca904fa8dbfd1a5bf0187905bc117b0efce"
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},
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{
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"url": "https://git.kernel.org/stable/c/b2f794b168cf560682ff976b255aa6d29d14a658",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/b2f794b168cf560682ff976b255aa6d29d14a658"
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},
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{
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"url": "https://git.kernel.org/stable/c/92c4ee25208d0f35dafc3213cdf355fbe449e078",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/92c4ee25208d0f35dafc3213cdf355fbe449e078"
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}
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]
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},
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"generator": {
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"engine": "bippy-9e1c9544281a"
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}
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} |