mirror of
https://github.com/CVEProject/cvelist.git
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124 lines
6.9 KiB
JSON
124 lines
6.9 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-2024-46857",
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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/mlx5: Fix bridge mode operations when there are no VFs\n\nCurrently, trying to set the bridge mode attribute when numvfs=0 leads to a\ncrash:\n\nbridge link set dev eth2 hwmode vepa\n\n[ 168.967392] BUG: kernel NULL pointer dereference, address: 0000000000000030\n[...]\n[ 168.969989] RIP: 0010:mlx5_add_flow_rules+0x1f/0x300 [mlx5_core]\n[...]\n[ 168.976037] Call Trace:\n[ 168.976188] <TASK>\n[ 168.978620] _mlx5_eswitch_set_vepa_locked+0x113/0x230 [mlx5_core]\n[ 168.979074] mlx5_eswitch_set_vepa+0x7f/0xa0 [mlx5_core]\n[ 168.979471] rtnl_bridge_setlink+0xe9/0x1f0\n[ 168.979714] rtnetlink_rcv_msg+0x159/0x400\n[ 168.980451] netlink_rcv_skb+0x54/0x100\n[ 168.980675] netlink_unicast+0x241/0x360\n[ 168.980918] netlink_sendmsg+0x1f6/0x430\n[ 168.981162] ____sys_sendmsg+0x3bb/0x3f0\n[ 168.982155] ___sys_sendmsg+0x88/0xd0\n[ 168.985036] __sys_sendmsg+0x59/0xa0\n[ 168.985477] do_syscall_64+0x79/0x150\n[ 168.987273] entry_SYSCALL_64_after_hwframe+0x76/0x7e\n[ 168.987773] RIP: 0033:0x7f8f7950f917\n\n(esw->fdb_table.legacy.vepa_fdb is null)\n\nThe bridge mode is only relevant when there are multiple functions per\nport. Therefore, prevent setting and getting this setting when there are no\nVFs.\n\nNote that after this change, there are no settings to change on the PF\ninterface using `bridge link` when there are no VFs, so the interface no\nlonger appears in the `bridge link` output."
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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": "4b89251de024",
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"version_value": "52c4beb79e09"
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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": "5.1",
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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": "5.1",
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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": "6.1.111",
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"lessThanOrEqual": "6.1.*",
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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": "6.6.52",
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"lessThanOrEqual": "6.6.*",
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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": "6.10.11",
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"lessThanOrEqual": "6.10.*",
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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": "6.11",
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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/52c4beb79e095e0631b5cac46ed48a2aefe51985",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/52c4beb79e095e0631b5cac46ed48a2aefe51985"
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},
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{
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"url": "https://git.kernel.org/stable/c/65feee671e37f3b6eda0b6af28f204b5bcf7fa50",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/65feee671e37f3b6eda0b6af28f204b5bcf7fa50"
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},
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{
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"url": "https://git.kernel.org/stable/c/505ae01f75f839b54329164bbfecf24cc1361b31",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/505ae01f75f839b54329164bbfecf24cc1361b31"
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},
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{
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"url": "https://git.kernel.org/stable/c/b1d305abef4640af1b4f1b4774d513cd81b10cfc",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/b1d305abef4640af1b4f1b4774d513cd81b10cfc"
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}
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]
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},
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"generator": {
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"engine": "bippy-c9c4e1df01b2"
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}
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} |