{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2025-71134 in the wild and no public exploit code.","fix":"Apply the vendor's patch.","what":"CVE-2025-71134 is a medium-severity denial of service vulnerability in Linux kernel, published on 14 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2025-71134 and fix it if it is affected.\n\nWhat it is: CVE-2025-71134 is a medium-severity denial of service vulnerability in Linux kernel, published on 14 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2025-71134 in the wild and no public exploit code.\n\nAffected product: Linux kernel. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2025-71134/ (Markdown: https://insights.sbomify.com/CVE-2025-71134/index.md)","id":"CVE-2025-71134","markdown":"https://insights.sbomify.com/CVE-2025-71134/index.md","name":"CVE-2025-71134","record":{"aliases":["BELL-CVE-2025-71134","DEBIAN-CVE-2025-71134","GHSA-wpqv-9qcp-f278","ROOT-OS-DEBIAN-13-CVE-2025-71134","UBUNTU-CVE-2025-71134"],"analysis":{"component_type":"kernel","fix_type":"patch","impacts":["denial_of_service"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"Linux kernel","requires_auth":"low_privilege","summary":"A logic error in Linux kernel page allocation causes inconsistent migration types, leading to kernel warnings and potential system instability or crashes.","user_interaction":"not_required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"Linux","cpe":[{"product":"linux_kernel","vendor":"linux"}],"cvss":{"score":5.5,"severity":"medium","source":"nvd","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"cwes":[],"description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmm/page_alloc: change all pageblocks migrate type on coalescing\n\nWhen a page is freed it coalesces with a buddy into a higher order page\nwhile possible.  When the buddy page migrate type differs, it is expected\nto be updated to match the one of the page being freed.\n\nHowever, only the first pageblock of the buddy page is updated, while the\nrest of the pageblocks are left unchanged.\n\nThat causes warnings in later expand() and other code paths (like below),\nsince an inconsistency between migration type of the list containing the\npage and the page-owned pageblocks migration types is introduced.\n\n[  308.986589] ------------[ cut here ]------------\n[  308.987227] page type is 0, passed migratetype is 1 (nr=256)\n[  308.987275] WARNING: CPU: 1 PID: 5224 at mm/page_alloc.c:812 expand+0x23c/0x270\n[  308.987293] Modules linked in: algif_hash(E) af_alg(E) nft_fib_inet(E) nft_fib_ipv4(E) nft_fib_ipv6(E) nft_fib(E) nft_reject_inet(E) nf_reject_ipv4(E) nf_reject_ipv6(E) nft_reject(E) nft_ct(E) nft_chain_nat(E) nf_nat(E) nf_conntrack(E) nf_defrag_ipv6(E) nf_defrag_ipv4(E) nf_tables(E) s390_trng(E) vfio_ccw(E) mdev(E) vfio_iommu_type1(E) vfio(E) sch_fq_codel(E) drm(E) i2c_core(E) drm_panel_orientation_quirks(E) loop(E) nfnetlink(E) vsock_loopback(E) vmw_vsock_virtio_transport_common(E) vsock(E) ctcm(E) fsm(E) diag288_wdt(E) watchdog(E) zfcp(E) scsi_transport_fc(E) ghash_s390(E) prng(E) aes_s390(E) des_generic(E) des_s390(E) libdes(E) sha3_512_s390(E) sha3_256_s390(E) sha_common(E) paes_s390(E) crypto_engine(E) pkey_cca(E) pkey_ep11(E) zcrypt(E) rng_core(E) pkey_pckmo(E) pkey(E) autofs4(E)\n[  308.987439] Unloaded tainted modules: hmac_s390(E):2\n[  308.987650] CPU: 1 UID: 0 PID: 5224 Comm: mempig_verify Kdump: loaded Tainted: G            E       6.18.0-gcc-bpf-debug #431 PREEMPT\n[  308.987657] Tainted: [E]=UNSIGNED_MODULE\n[  308.987661] Hardware name: IBM 3906 M04 704 (z/VM 7.3.0)\n[  308.987666] Krnl PSW : 0404f00180000000 00000349976fa600 (expand+0x240/0x270)\n[  308.987676]            R:0 T:1 IO:0 EX:0 Key:0 M:1 W:0 P:0 AS:3 CC:3 PM:0 RI:0 EA:3\n[  308.987682] Krnl GPRS: 0000034980000004 0000000000000005 0000000000000030 000003499a0e6d88\n[  308.987688]            0000000000000005 0000034980000005 000002be803ac000 0000023efe6c8300\n[  308.987692]            0000000000000008 0000034998d57290 000002be00000100 0000023e00000008\n[  308.987696]            0000000000000000 0000000000000000 00000349976fa5fc 000002c99b1eb6f0\n[  308.987708] Krnl Code: 00000349976fa5f0: c020008a02f2\tlarl\t%r2,000003499883abd4\n                          00000349976fa5f6: c0e5ffe3f4b5\tbrasl\t%r14,0000034997378f60\n                         #00000349976fa5fc: af000000\t\tmc\t0,0\n                         \u003e00000349976fa600: a7f4ff4c\t\tbrc\t15,00000349976fa498\n                          00000349976fa604: b9040026\t\tlgr\t%r2,%r6\n                          00000349976fa608: c0300088317f\tlarl\t%r3,0000034998800906\n                          00000349976fa60e: c0e5fffdb6e1\tbrasl\t%r14,00000349976b13d0\n                          00000349976fa614: af000000\t\tmc\t0,0\n[  308.987734] Call Trace:\n[  308.987738]  [\u003c00000349976fa600\u003e] expand+0x240/0x270\n[  308.987744] ([\u003c00000349976fa5fc\u003e] expand+0x23c/0x270)\n[  308.987749]  [\u003c00000349976ff95e\u003e] rmqueue_bulk+0x71e/0x940\n[  308.987754]  [\u003c00000349976ffd7e\u003e] __rmqueue_pcplist+0x1fe/0x2a0\n[  308.987759]  [\u003c0000034997700966\u003e] rmqueue.isra.0+0xb46/0xf40\n[  308.987763]  [\u003c0000034997703ec8\u003e] get_page_from_freelist+0x198/0x8d0\n[  308.987768]  [\u003c0000034997706fa8\u003e] __alloc_frozen_pages_noprof+0x198/0x400\n[  308.987774]  [\u003c00000349977536f8\u003e] alloc_pages_mpol+0xb8/0x220\n[  308.987781]  [\u003c0000034997753bf6\u003e] folio_alloc_mpol_noprof+0x26/0xc0\n[  308.987786]  [\u003c0000034997753e4c\u003e] vma_alloc_folio_noprof+0x6c/0xa0\n[  308.987791]  [\u003c0000034997775b22\u003e] vma_alloc_anon_folio_pmd+0x42/0x240\n[  308.987799]  [\u003c000003499777bfea\u003e] __do_huge_pmd_anonymous_page+0x3a/0x210\n[  308.987804]  [\u003c00000349976cb0\n---truncated---","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"mm/page_alloc: change all pageblocks migrate type on coalescing","id":"CVE-2025-71134","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"linux:linux_kernel","products":["linux:linux_kernel"],"type":"denial_of_service","year":"2025"},"n_packages":0,"n_references":3,"next":{"headline":"md/raid5: fix possible null-pointer dereferences in raid5_store_group_thread_cnt()","id":"CVE-2025-71135"},"packages":[],"prev":{"headline":"RDMA/irdma: avoid invalid read in irdma_net_event","id":"CVE-2025-71133"},"products":["Linux"],"published":"2026-01-14","related":[{"cvss_score":8.8,"headline":"Linux Kernel Out-of-Bounds Write","id":"CVE-2026-53266","kev_date_added":"2026-09-18","published":"2026-06-25"},{"cvss_score":8.8,"headline":"Linux Kernel Improper Input Validation","id":"CVE-2013-6282","kev_date_added":"2022-09-15","published":"2013-11-19"},{"cvss_score":8.4,"headline":"Linux Kernel Heap-Based Buffer Overflow","id":"CVE-2022-0185","kev_date_added":"2024-08-21","published":"2022-02-11"},{"cvss_score":8.4,"headline":"Linux Kernel Privilege Escalation","id":"CVE-2013-2094","kev_date_added":"2022-09-15","published":"2013-05-14"},{"cvss_score":7.8,"headline":"Linux Kernel Unspecified","id":"CVE-2026-53362","kev_date_added":"2026-08-27","published":"2026-07-04"},{"cvss_score":7.8,"headline":"Linux Kernel Missing Initialization of a Variable","id":"CVE-2026-46300","kev_date_added":"2026-10-28","published":"2026-05-23"},{"cvss_score":7.8,"headline":"Linux Kernel Race Condition","id":"CVE-2025-39964","kev_date_added":"2026-09-18","published":"2025-10-13"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":null,"exploitation":null,"technical_impact":null},"state":"PUBLISHED","updated":"2026-05-11","vendors":["Linux"]},"summary":"A logic error in Linux kernel page allocation causes inconsistent migration types, leading to kernel warnings and potential system instability or crashes.","url":"https://insights.sbomify.com/CVE-2025-71134/"}