{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "cveId": "CVE-2024-42073", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-07-29T15:50:41.169Z", "datePublished": "2024-07-29T15:52:36.416Z", "dateUpdated": "2024-09-11T17:33:57.825Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-07-29T15:52:36.416Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmlxsw: spectrum_buffers: Fix memory corruptions on Spectrum-4 systems\n\nThe following two shared buffer operations make use of the Shared Buffer\nStatus Register (SBSR):\n\n # devlink sb occupancy snapshot pci/0000:01:00.0\n # devlink sb occupancy clearmax pci/0000:01:00.0\n\nThe register has two masks of 256 bits to denote on which ingress /\negress ports the register should operate on. Spectrum-4 has more than\n256 ports, so the register was extended by cited commit with a new\n'port_page' field.\n\nHowever, when filling the register's payload, the driver specifies the\nports as absolute numbers and not relative to the first port of the port\npage, resulting in memory corruptions [1].\n\nFix by specifying the ports relative to the first port of the port page.\n\n[1]\nBUG: KASAN: slab-use-after-free in mlxsw_sp_sb_occ_snapshot+0xb6d/0xbc0\nRead of size 1 at addr ffff8881068cb00f by task devlink/1566\n[...]\nCall Trace:\n \n dump_stack_lvl+0xc6/0x120\n print_report+0xce/0x670\n kasan_report+0xd7/0x110\n mlxsw_sp_sb_occ_snapshot+0xb6d/0xbc0\n mlxsw_devlink_sb_occ_snapshot+0x75/0xb0\n devlink_nl_sb_occ_snapshot_doit+0x1f9/0x2a0\n genl_family_rcv_msg_doit+0x20c/0x300\n genl_rcv_msg+0x567/0x800\n netlink_rcv_skb+0x170/0x450\n genl_rcv+0x2d/0x40\n netlink_unicast+0x547/0x830\n netlink_sendmsg+0x8d4/0xdb0\n __sys_sendto+0x49b/0x510\n __x64_sys_sendto+0xe5/0x1c0\n do_syscall_64+0xc1/0x1d0\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n[...]\nAllocated by task 1:\n kasan_save_stack+0x33/0x60\n kasan_save_track+0x14/0x30\n __kasan_kmalloc+0x8f/0xa0\n copy_verifier_state+0xbc2/0xfb0\n do_check_common+0x2c51/0xc7e0\n bpf_check+0x5107/0x9960\n bpf_prog_load+0xf0e/0x2690\n __sys_bpf+0x1a61/0x49d0\n __x64_sys_bpf+0x7d/0xc0\n do_syscall_64+0xc1/0x1d0\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nFreed by task 1:\n kasan_save_stack+0x33/0x60\n kasan_save_track+0x14/0x30\n kasan_save_free_info+0x3b/0x60\n poison_slab_object+0x109/0x170\n __kasan_slab_free+0x14/0x30\n kfree+0xca/0x2b0\n free_verifier_state+0xce/0x270\n do_check_common+0x4828/0xc7e0\n bpf_check+0x5107/0x9960\n bpf_prog_load+0xf0e/0x2690\n __sys_bpf+0x1a61/0x49d0\n __x64_sys_bpf+0x7d/0xc0\n do_syscall_64+0xc1/0x1d0\n entry_SYSCALL_64_after_hwframe+0x77/0x7f" } ], "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/mlxsw/spectrum_buffers.c" ], "versions": [ { "version": "f8538aec88b4", "lessThan": "bfa86a96912f", "status": "affected", "versionType": "git" }, { "version": "f8538aec88b4", "lessThan": "942901e0fc74", "status": "affected", "versionType": "git" }, { "version": "f8538aec88b4", "lessThan": "bf8781ede7bd", "status": "affected", "versionType": "git" }, { "version": "f8538aec88b4", "lessThan": "c28947de2bed", "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/mlxsw/spectrum_buffers.c" ], "versions": [ { "version": "5.17", "status": "affected" }, { "version": "0", "lessThan": "5.17", "status": "unaffected", "versionType": "custom" }, { "version": "6.1.97", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.37", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.9.8", "lessThanOrEqual": "6.9.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.10", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/bfa86a96912faa0b6142a918db88cc0c738a769e" }, { "url": "https://git.kernel.org/stable/c/942901e0fc74ad4b7992ef7ca9336e68d5fd6d36" }, { "url": "https://git.kernel.org/stable/c/bf8781ede7bd9a37c0fcabca78976e61300b5a1a" }, { "url": "https://git.kernel.org/stable/c/c28947de2bed40217cf256c5d0d16880054fcf13" } ], "title": "mlxsw: spectrum_buffers: Fix memory corruptions on Spectrum-4 systems", "x_generator": { "engine": "bippy-c9c4e1df01b2" } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T04:54:32.349Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/bfa86a96912faa0b6142a918db88cc0c738a769e", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/942901e0fc74ad4b7992ef7ca9336e68d5fd6d36", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/bf8781ede7bd9a37c0fcabca78976e61300b5a1a", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/c28947de2bed40217cf256c5d0d16880054fcf13", "tags": [ "x_transferred" ] } ] }, { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2024-42073", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-09-10T16:19:36.665774Z" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T17:33:57.825Z" } } ] } }