| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "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 [...]" |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "drivers/net/vrf.c" |
| ], |
| "versions": [ |
| { |
| "version": "504fc6f4f7f681d2a03aa5f68aad549d90eab853", |
| "lessThan": "718a752bd746b3f4dd62516bb437baf73d548415", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "504fc6f4f7f681d2a03aa5f68aad549d90eab853", |
| "lessThan": "8c9381b3138246d46536db93ed696832abd70204", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "504fc6f4f7f681d2a03aa5f68aad549d90eab853", |
| "lessThan": "e61f8c4d179b2ffc0d3b7f821c3734be738643d0", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "504fc6f4f7f681d2a03aa5f68aad549d90eab853", |
| "lessThan": "b04c4d9eb4f25b950b33218e33b04c94e7445e51", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "drivers/net/vrf.c" |
| ], |
| "versions": [ |
| { |
| "version": "6.6", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "6.6", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.6.55", |
| "lessThanOrEqual": "6.6.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.10.14", |
| "lessThanOrEqual": "6.10.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.11.3", |
| "lessThanOrEqual": "6.11.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.12", |
| "lessThanOrEqual": "*", |
| "status": "unaffected", |
| "versionType": "original_commit_for_fix" |
| } |
| ] |
| } |
| ], |
| "cpeApplicability": [ |
| { |
| "nodes": [ |
| { |
| "operator": "OR", |
| "negate": false, |
| "cpeMatch": [ |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.6", |
| "versionEndExcluding": "6.6.55" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.6", |
| "versionEndExcluding": "6.10.14" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.6", |
| "versionEndExcluding": "6.11.3" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.6", |
| "versionEndExcluding": "6.12" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/718a752bd746b3f4dd62516bb437baf73d548415" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/8c9381b3138246d46536db93ed696832abd70204" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/e61f8c4d179b2ffc0d3b7f821c3734be738643d0" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/b04c4d9eb4f25b950b33218e33b04c94e7445e51" |
| } |
| ], |
| "title": "vrf: revert \"vrf: Remove unnecessary RCU-bh critical section\"", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2024-49980", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
