{ "containers": { "cna": { "providerMetadata": { "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmlxbf_gige: call request_irq() after NAPI initialized\n\nThe mlxbf_gige driver encounters a NULL pointer exception in\nmlxbf_gige_open() when kdump is enabled. The sequence to reproduce\nthe exception is as follows:\na) enable kdump\nb) trigger kdump via \"echo c > /proc/sysrq-trigger\"\nc) kdump kernel executes\nd) kdump kernel loads mlxbf_gige module\ne) the mlxbf_gige module runs its open() as the\n the \"oob_net0\" interface is brought up\nf) mlxbf_gige module will experience an exception\n during its open(), something like:\n\n Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\n Mem abort info:\n ESR = 0x0000000086000004\n EC = 0x21: IABT (current EL), IL = 32 bits\n SET = 0, FnV = 0\n EA = 0, S1PTW = 0\n FSC = 0x04: level 0 translation fault\n user pgtable: 4k pages, 48-bit VAs, pgdp=00000000e29a4000\n [0000000000000000] pgd=0000000000000000, p4d=0000000000000000\n Internal error: Oops: 0000000086000004 [#1] SMP\n CPU: 0 PID: 812 Comm: NetworkManager Tainted: G OE 5.15.0-1035-bluefield #37-Ubuntu\n Hardware name: https://www.mellanox.com BlueField-3 SmartNIC Main Card/BlueField-3 SmartNIC Main Card, BIOS 4.6.0.13024 Jan 19 2024\n pstate: 80400009 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n pc : 0x0\n lr : __napi_poll+0x40/0x230\n sp : ffff800008003e00\n x29: ffff800008003e00 x28: 0000000000000000 x27: 00000000ffffffff\n x26: ffff000066027238 x25: ffff00007cedec00 x24: ffff800008003ec8\n x23: 000000000000012c x22: ffff800008003eb7 x21: 0000000000000000\n x20: 0000000000000001 x19: ffff000066027238 x18: 0000000000000000\n x17: ffff578fcb450000 x16: ffffa870b083c7c0 x15: 0000aaab010441d0\n x14: 0000000000000001 x13: 00726f7272655f65 x12: 6769675f6662786c\n x11: 0000000000000000 x10: 0000000000000000 x9 : ffffa870b0842398\n x8 : 0000000000000004 x7 : fe5a48b9069706ea x6 : 17fdb11fc84ae0d2\n x5 : d94a82549d594f35 x4 : 0000000000000000 x3 : 0000000000400100\n x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000066027238\n Call trace:\n 0x0\n net_rx_action+0x178/0x360\n __do_softirq+0x15c/0x428\n __irq_exit_rcu+0xac/0xec\n irq_exit+0x18/0x2c\n handle_domain_irq+0x6c/0xa0\n gic_handle_irq+0xec/0x1b0\n call_on_irq_stack+0x20/0x2c\n do_interrupt_handler+0x5c/0x70\n el1_interrupt+0x30/0x50\n el1h_64_irq_handler+0x18/0x2c\n el1h_64_irq+0x7c/0x80\n __setup_irq+0x4c0/0x950\n request_threaded_irq+0xf4/0x1bc\n mlxbf_gige_request_irqs+0x68/0x110 [mlxbf_gige]\n mlxbf_gige_open+0x5c/0x170 [mlxbf_gige]\n __dev_open+0x100/0x220\n __dev_change_flags+0x16c/0x1f0\n dev_change_flags+0x2c/0x70\n do_setlink+0x220/0xa40\n __rtnl_newlink+0x56c/0x8a0\n rtnl_newlink+0x58/0x84\n rtnetlink_rcv_msg+0x138/0x3c4\n netlink_rcv_skb+0x64/0x130\n rtnetlink_rcv+0x20/0x30\n netlink_unicast+0x2ec/0x360\n netlink_sendmsg+0x278/0x490\n __sock_sendmsg+0x5c/0x6c\n ____sys_sendmsg+0x290/0x2d4\n ___sys_sendmsg+0x84/0xd0\n __sys_sendmsg+0x70/0xd0\n __arm64_sys_sendmsg+0x2c/0x40\n invoke_syscall+0x78/0x100\n el0_svc_common.constprop.0+0x54/0x184\n do_el0_svc+0x30/0xac\n el0_svc+0x48/0x160\n el0t_64_sync_handler+0xa4/0x12c\n el0t_64_sync+0x1a4/0x1a8\n Code: bad PC value\n ---[ end trace 7d1c3f3bf9d81885 ]---\n Kernel panic - not syncing: Oops: Fatal exception in interrupt\n Kernel Offset: 0x2870a7a00000 from 0xffff800008000000\n PHYS_OFFSET: 0x80000000\n CPU features: 0x0,000005c1,a3332a5a\n Memory Limit: none\n ---[ end Kernel panic - not syncing: Oops: Fatal exception in interrupt ]---\n\nThe exception happens because there is a pending RX interrupt before the\ncall to request_irq(RX IRQ) executes. Then, the RX IRQ handler fires\nimmediately after this request_irq() completes. The\n---truncated---" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c" ], "versions": [ { "version": "f92e1869d74e", "lessThan": "a583117668dd", "status": "affected", "versionType": "git" }, { "version": "f92e1869d74e", "lessThan": "24444af5ddf7", "status": "affected", "versionType": "git" }, { "version": "f92e1869d74e", "lessThan": "867a2f598af6", "status": "affected", "versionType": "git" }, { "version": "f92e1869d74e", "lessThan": "8feb1652afe9", "status": "affected", "versionType": "git" }, { "version": "f92e1869d74e", "lessThan": "f7442a634ac0", "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/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c" ], "versions": [ { "version": "5.14", "status": "affected" }, { "version": "0", "lessThan": "5.14", "status": "unaffected", "versionType": "custom" }, { "version": "5.15.154", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.1.85", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.26", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.8.5", "lessThanOrEqual": "6.8.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.9", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/a583117668ddb86e98f2e11c7caa3db0e6df52a3" }, { "url": "https://git.kernel.org/stable/c/24444af5ddf729376b90db0f135fa19973cb5dab" }, { "url": "https://git.kernel.org/stable/c/867a2f598af6a645c865d1101b58c5e070c6dd9e" }, { "url": "https://git.kernel.org/stable/c/8feb1652afe9c5d019059a55c90f70690dce0f52" }, { "url": "https://git.kernel.org/stable/c/f7442a634ac06b953fc1f7418f307b25acd4cfbc" } ], "title": "mlxbf_gige: call request_irq() after NAPI initialized", "x_generator": { "engine": "bippy-a5840b7849dd" } } }, "cveMetadata": { "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", "cveID": "CVE-2024-35907", "requesterUserId": "gregkh@kernel.org", "serial": "1", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.0" }