198 lines
9.9 KiB
JSON
198 lines
9.9 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2024-49980",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2024-10-21T12:17:06.052Z",
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"datePublished": "2024-10-21T18:02:26.494Z",
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"dateUpdated": "2026-05-11T20:43:15.218Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-05-11T20:43:15.218Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvrf: revert \"vrf: Remove unnecessary RCU-bh critical section\"\n\nThis reverts commit 504fc6f4f7f681d2a03aa5f68aad549d90eab853.\n\ndev_queue_xmit_nit is expected to be called with BH disabled.\n__dev_queue_xmit has the following:\n\n /* Disable soft irqs for various locks below. Also\n * stops preemption for RCU.\n */\n rcu_read_lock_bh();\n\nVRF must follow this invariant. The referenced commit removed this\nprotection. Which triggered a lockdep warning:\n\n\t================================\n\tWARNING: inconsistent lock state\n\t6.11.0 #1 Tainted: G W\n\t--------------------------------\n\tinconsistent {IN-SOFTIRQ-W} -> {SOFTIRQ-ON-W} usage.\n\tbtserver/134819 [HC0[0]:SC0[0]:HE1:SE1] takes:\n\tffff8882da30c118 (rlock-AF_PACKET){+.?.}-{2:2}, at: tpacket_rcv+0x863/0x3b30\n\t{IN-SOFTIRQ-W} state was registered at:\n\t lock_acquire+0x19a/0x4f0\n\t _raw_spin_lock+0x27/0x40\n\t packet_rcv+0xa33/0x1320\n\t __netif_receive_skb_core.constprop.0+0xcb0/0x3a90\n\t __netif_receive_skb_list_core+0x2c9/0x890\n\t netif_receive_skb_list_internal+0x610/0xcc0\n [...]\n\n\tother info that might help us debug this:\n\t Possible unsafe locking scenario:\n\n\t CPU0\n\t ----\n\t lock(rlock-AF_PACKET);\n\t <Interrupt>\n\t lock(rlock-AF_PACKET);\n\n\t *** DEADLOCK ***\n\n\tCall Trace:\n\t <TASK>\n\t dump_stack_lvl+0x73/0xa0\n\t mark_lock+0x102e/0x16b0\n\t __lock_acquire+0x9ae/0x6170\n\t lock_acquire+0x19a/0x4f0\n\t _raw_spin_lock+0x27/0x40\n\t tpacket_rcv+0x863/0x3b30\n\t dev_queue_xmit_nit+0x709/0xa40\n\t vrf_finish_direct+0x26e/0x340 [vrf]\n\t vrf_l3_out+0x5f4/0xe80 [vrf]\n\t __ip_local_out+0x51e/0x7a0\n [...]"
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/net/vrf.c"
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],
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"versions": [
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{
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"version": "504fc6f4f7f681d2a03aa5f68aad549d90eab853",
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"lessThan": "718a752bd746b3f4dd62516bb437baf73d548415",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "504fc6f4f7f681d2a03aa5f68aad549d90eab853",
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"lessThan": "8c9381b3138246d46536db93ed696832abd70204",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "504fc6f4f7f681d2a03aa5f68aad549d90eab853",
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"lessThan": "e61f8c4d179b2ffc0d3b7f821c3734be738643d0",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "504fc6f4f7f681d2a03aa5f68aad549d90eab853",
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"lessThan": "b04c4d9eb4f25b950b33218e33b04c94e7445e51",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/net/vrf.c"
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],
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"versions": [
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{
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"version": "6.6",
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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": "6.6",
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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": "6.6.55",
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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": "6.10.14",
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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": "6.11.3",
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"lessThanOrEqual": "6.11.*",
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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": "6.12",
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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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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.6",
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"versionEndExcluding": "6.6.55"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.6",
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"versionEndExcluding": "6.10.14"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.6",
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"versionEndExcluding": "6.11.3"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.6",
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"versionEndExcluding": "6.12"
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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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{
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"url": "https://git.kernel.org/stable/c/718a752bd746b3f4dd62516bb437baf73d548415"
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},
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{
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"url": "https://git.kernel.org/stable/c/8c9381b3138246d46536db93ed696832abd70204"
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},
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{
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"url": "https://git.kernel.org/stable/c/e61f8c4d179b2ffc0d3b7f821c3734be738643d0"
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},
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{
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"url": "https://git.kernel.org/stable/c/b04c4d9eb4f25b950b33218e33b04c94e7445e51"
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}
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],
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"title": "vrf: revert \"vrf: Remove unnecessary RCU-bh critical section\"",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2024-49980",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"version": "2.0.3",
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"timestamp": "2024-10-22T13:32:37.764586Z"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2024-10-22T13:38:44.524Z"
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}
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}
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]
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}
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} |