CVE-2024-58070 (GCVE-0-2024-58070)

Vulnerability from cvelistv5 – Published: 2025-03-06 15:54 – Updated: 2025-10-01 19:36
VLAI?
Title
bpf: bpf_local_storage: Always use bpf_mem_alloc in PREEMPT_RT
Summary
In the Linux kernel, the following vulnerability has been resolved: bpf: bpf_local_storage: Always use bpf_mem_alloc in PREEMPT_RT In PREEMPT_RT, kmalloc(GFP_ATOMIC) is still not safe in non preemptible context. bpf_mem_alloc must be used in PREEMPT_RT. This patch is to enforce bpf_mem_alloc in the bpf_local_storage when CONFIG_PREEMPT_RT is enabled. [ 35.118559] BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48 [ 35.118566] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1832, name: test_progs [ 35.118569] preempt_count: 1, expected: 0 [ 35.118571] RCU nest depth: 1, expected: 1 [ 35.118577] INFO: lockdep is turned off. ... [ 35.118647] __might_resched+0x433/0x5b0 [ 35.118677] rt_spin_lock+0xc3/0x290 [ 35.118700] ___slab_alloc+0x72/0xc40 [ 35.118723] __kmalloc_noprof+0x13f/0x4e0 [ 35.118732] bpf_map_kzalloc+0xe5/0x220 [ 35.118740] bpf_selem_alloc+0x1d2/0x7b0 [ 35.118755] bpf_local_storage_update+0x2fa/0x8b0 [ 35.118784] bpf_sk_storage_get_tracing+0x15a/0x1d0 [ 35.118791] bpf_prog_9a118d86fca78ebb_trace_inet_sock_set_state+0x44/0x66 [ 35.118795] bpf_trace_run3+0x222/0x400 [ 35.118820] __bpf_trace_inet_sock_set_state+0x11/0x20 [ 35.118824] trace_inet_sock_set_state+0x112/0x130 [ 35.118830] inet_sk_state_store+0x41/0x90 [ 35.118836] tcp_set_state+0x3b3/0x640 There is no need to adjust the gfp_flags passing to the bpf_mem_cache_alloc_flags() which only honors the GFP_KERNEL. The verifier has ensured GFP_KERNEL is passed only in sleepable context. It has been an old issue since the first introduction of the bpf_local_storage ~5 years ago, so this patch targets the bpf-next. bpf_mem_alloc is needed to solve it, so the Fixes tag is set to the commit when bpf_mem_alloc was first used in the bpf_local_storage.
Severity ?
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 08a7ce384e33e53e0732c500a8af67a73f8fceca , < 3392fa605d7c5708c5fbe02e4fbdac547c3b7352 (git)
Affected: 08a7ce384e33e53e0732c500a8af67a73f8fceca , < b0027500000dfcb8ee952557d565064cea22c43e (git)
Affected: 08a7ce384e33e53e0732c500a8af67a73f8fceca , < c1d398a3af7e59d7fef351c84fed7ebb575d1f1a (git)
Affected: 08a7ce384e33e53e0732c500a8af67a73f8fceca , < 8eef6ac4d70eb1f0099fff93321d90ce8fa49ee1 (git)
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    Linux Linux Affected: 6.4
Unaffected: 0 , < 6.4 (semver)
Unaffected: 6.6.76 , ≤ 6.6.* (semver)
Unaffected: 6.12.13 , ≤ 6.12.* (semver)
Unaffected: 6.13.2 , ≤ 6.13.* (semver)
Unaffected: 6.14 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
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              "baseScore": 5.5,
              "baseSeverity": "MEDIUM",
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              "integrityImpact": "NONE",
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              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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          "lang": "en",
          "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."
        }
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      "providerMetadata": {
        "dateUpdated": "2025-05-04T10:09:17.543Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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      "references": [
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          "url": "https://git.kernel.org/stable/c/3392fa605d7c5708c5fbe02e4fbdac547c3b7352"
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          "url": "https://git.kernel.org/stable/c/b0027500000dfcb8ee952557d565064cea22c43e"
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        },
        {
          "url": "https://git.kernel.org/stable/c/8eef6ac4d70eb1f0099fff93321d90ce8fa49ee1"
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      "title": "bpf: bpf_local_storage: Always use bpf_mem_alloc in PREEMPT_RT",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2024-58070",
    "datePublished": "2025-03-06T15:54:10.166Z",
    "dateReserved": "2025-03-06T15:52:09.182Z",
    "dateUpdated": "2025-10-01T19:36:36.533Z",
    "state": "PUBLISHED"
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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