cvelist/2024/58xxx/CVE-2024-58070.json

{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-58070",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: bpf_local_storage: Always use bpf_mem_alloc in PREEMPT_RT\n\nIn PREEMPT_RT, kmalloc(GFP_ATOMIC) is still not safe in non preemptible\ncontext. bpf_mem_alloc must be used in PREEMPT_RT. This patch is\nto enforce bpf_mem_alloc in the bpf_local_storage when CONFIG_PREEMPT_RT\nis enabled.\n\n[   35.118559] BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48\n[   35.118566] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1832, name: test_progs\n[   35.118569] preempt_count: 1, expected: 0\n[   35.118571] RCU nest depth: 1, expected: 1\n[   35.118577] INFO: lockdep is turned off.\n    ...\n[   35.118647]  __might_resched+0x433/0x5b0\n[   35.118677]  rt_spin_lock+0xc3/0x290\n[   35.118700]  ___slab_alloc+0x72/0xc40\n[   35.118723]  __kmalloc_noprof+0x13f/0x4e0\n[   35.118732]  bpf_map_kzalloc+0xe5/0x220\n[   35.118740]  bpf_selem_alloc+0x1d2/0x7b0\n[   35.118755]  bpf_local_storage_update+0x2fa/0x8b0\n[   35.118784]  bpf_sk_storage_get_tracing+0x15a/0x1d0\n[   35.118791]  bpf_prog_9a118d86fca78ebb_trace_inet_sock_set_state+0x44/0x66\n[   35.118795]  bpf_trace_run3+0x222/0x400\n[   35.118820]  __bpf_trace_inet_sock_set_state+0x11/0x20\n[   35.118824]  trace_inet_sock_set_state+0x112/0x130\n[   35.118830]  inet_sk_state_store+0x41/0x90\n[   35.118836]  tcp_set_state+0x3b3/0x640\n\nThere is no need to adjust the gfp_flags passing to the\nbpf_mem_cache_alloc_flags() which only honors the GFP_KERNEL.\nThe verifier has ensured GFP_KERNEL is passed only in sleepable context.\n\nIt has been an old issue since the first introduction of the\nbpf_local_storage ~5 years ago, so this patch targets the bpf-next.\n\nbpf_mem_alloc is needed to solve it, so the Fixes tag is set\nto the commit when bpf_mem_alloc was first used in the bpf_local_storage."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Linux",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Linux",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "08a7ce384e33e53e0732c500a8af67a73f8fceca",
                                            "version_value": "3392fa605d7c5708c5fbe02e4fbdac547c3b7352"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "6.4",
                                                        "status": "affected"
                                                    },
                                                    {
                                                        "version": "0",
                                                        "lessThan": "6.4",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.6.76",
                                                        "lessThanOrEqual": "6.6.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.12.13",
                                                        "lessThanOrEqual": "6.12.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.13.2",
                                                        "lessThanOrEqual": "6.13.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.14-rc1",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/3392fa605d7c5708c5fbe02e4fbdac547c3b7352",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/3392fa605d7c5708c5fbe02e4fbdac547c3b7352"
            },
            {
                "url": "https://git.kernel.org/stable/c/b0027500000dfcb8ee952557d565064cea22c43e",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/b0027500000dfcb8ee952557d565064cea22c43e"
            },
            {
                "url": "https://git.kernel.org/stable/c/c1d398a3af7e59d7fef351c84fed7ebb575d1f1a",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/c1d398a3af7e59d7fef351c84fed7ebb575d1f1a"
            },
            {
                "url": "https://git.kernel.org/stable/c/8eef6ac4d70eb1f0099fff93321d90ce8fa49ee1",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/8eef6ac4d70eb1f0099fff93321d90ce8fa49ee1"
            }
        ]
    },
    "generator": {
        "engine": "bippy-5f407fcff5a0"
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}