{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-39731", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T07:20:57.118Z", "datePublished": "2025-09-07T15:16:20.023Z", "dateUpdated": "2025-11-03T17:42:49.723Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-09-29T05:58:16.912Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: vm_unmap_ram() may be called from an invalid context\n\nWhen testing F2FS with xfstests using UFS backed virtual disks the\nkernel complains sometimes that f2fs_release_decomp_mem() calls\nvm_unmap_ram() from an invalid context. Example trace from\nf2fs/007 test:\n\nf2fs/007 5s ... [12:59:38][ 8.902525] run fstests f2fs/007\n[ 11.468026] BUG: sleeping function called from invalid context at mm/vmalloc.c:2978\n[ 11.471849] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 68, name: irq/22-ufshcd\n[ 11.475357] preempt_count: 1, expected: 0\n[ 11.476970] RCU nest depth: 0, expected: 0\n[ 11.478531] CPU: 0 UID: 0 PID: 68 Comm: irq/22-ufshcd Tainted: G W 6.16.0-rc5-xfstests-ufs-g40f92e79b0aa #9 PREEMPT(none)\n[ 11.478535] Tainted: [W]=WARN\n[ 11.478536] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\n[ 11.478537] Call Trace:\n[ 11.478543] <TASK>\n[ 11.478545] dump_stack_lvl+0x4e/0x70\n[ 11.478554] __might_resched.cold+0xaf/0xbe\n[ 11.478557] vm_unmap_ram+0x21/0xb0\n[ 11.478560] f2fs_release_decomp_mem+0x59/0x80\n[ 11.478563] f2fs_free_dic+0x18/0x1a0\n[ 11.478565] f2fs_finish_read_bio+0xd7/0x290\n[ 11.478570] blk_update_request+0xec/0x3b0\n[ 11.478574] ? sbitmap_queue_clear+0x3b/0x60\n[ 11.478576] scsi_end_request+0x27/0x1a0\n[ 11.478582] scsi_io_completion+0x40/0x300\n[ 11.478583] ufshcd_mcq_poll_cqe_lock+0xa3/0xe0\n[ 11.478588] ufshcd_sl_intr+0x194/0x1f0\n[ 11.478592] ufshcd_threaded_intr+0x68/0xb0\n[ 11.478594] ? __pfx_irq_thread_fn+0x10/0x10\n[ 11.478599] irq_thread_fn+0x20/0x60\n[ 11.478602] ? __pfx_irq_thread_fn+0x10/0x10\n[ 11.478603] irq_thread+0xb9/0x180\n[ 11.478605] ? __pfx_irq_thread_dtor+0x10/0x10\n[ 11.478607] ? __pfx_irq_thread+0x10/0x10\n[ 11.478609] kthread+0x10a/0x230\n[ 11.478614] ? __pfx_kthread+0x10/0x10\n[ 11.478615] ret_from_fork+0x7e/0xd0\n[ 11.478619] ? __pfx_kthread+0x10/0x10\n[ 11.478621] ret_from_fork_asm+0x1a/0x30\n[ 11.478623] </TASK>\n\nThis patch modifies in_task() check inside f2fs_read_end_io() to also\ncheck if interrupts are disabled. This ensures that pages are unmapped\nasynchronously in an interrupt handler."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/f2fs/data.c"], "versions": [{"version": "bff139b49d9f70c1ac5384aac94554846aa834de", "lessThan": "eb69e69a5ae6c8350957893b5f68bd55b1565fb2", "status": "affected", "versionType": "git"}, {"version": "bff139b49d9f70c1ac5384aac94554846aa834de", "lessThan": "1023836d1b9465593c8746f97d608da32958785f", "status": "affected", "versionType": "git"}, {"version": "bff139b49d9f70c1ac5384aac94554846aa834de", "lessThan": "0fe7976b62546f1e95eebfe9879925e9aa22b7a8", "status": "affected", "versionType": "git"}, {"version": "bff139b49d9f70c1ac5384aac94554846aa834de", "lessThan": "411e00f44e2e1a7fdb526013b25a7f0ed22a0947", "status": "affected", "versionType": "git"}, {"version": "bff139b49d9f70c1ac5384aac94554846aa834de", "lessThan": "18eea36f4f460ead3750ed4afe5496f7ce55f99e", "status": "affected", "versionType": "git"}, {"version": "bff139b49d9f70c1ac5384aac94554846aa834de", "lessThan": "08a7efc5b02a0620ae16aa9584060e980a69cb55", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/f2fs/data.c"], "versions": [{"version": "6.0", "status": "affected"}, {"version": "0", "lessThan": "6.0", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.148", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.102", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.42", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.15.10", "lessThanOrEqual": "6.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.16.1", "lessThanOrEqual": "6.16.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.17", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.1.148"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.6.102"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.12.42"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.15.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.16.1"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.17"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/eb69e69a5ae6c8350957893b5f68bd55b1565fb2"}, {"url": "https://git.kernel.org/stable/c/1023836d1b9465593c8746f97d608da32958785f"}, {"url": "https://git.kernel.org/stable/c/0fe7976b62546f1e95eebfe9879925e9aa22b7a8"}, {"url": "https://git.kernel.org/stable/c/411e00f44e2e1a7fdb526013b25a7f0ed22a0947"}, {"url": "https://git.kernel.org/stable/c/18eea36f4f460ead3750ed4afe5496f7ce55f99e"}, {"url": "https://git.kernel.org/stable/c/08a7efc5b02a0620ae16aa9584060e980a69cb55"}], "title": "f2fs: vm_unmap_ram() may be called from an invalid context", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T17:42:49.723Z"}}]}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "1ABDE8F3-EFBD-48CA-9348-420BDD90A9D8", "versionEndExcluding": "6.1.148", "versionStartIncluding": "6.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "DD6EDB96-08AC-49D8-A1A9-4D2140C49BC7", "versionEndExcluding": "6.6.102", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "EA7AA5E6-4376-4A85-A021-6ACC5FF801C3", "versionEndExcluding": "6.12.42", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "5890C690-B295-40C2-9121-FF5F987E5142", "versionEndExcluding": "6.15.10", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "58182352-D7DF-4CC9-841E-03C1D852C3FB", "versionEndExcluding": "6.16.1", "versionStartIncluding": "6.16", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: vm_unmap_ram() may be called from an invalid context\n\nWhen testing F2FS with xfstests using UFS backed virtual disks the\nkernel complains sometimes that f2fs_release_decomp_mem() calls\nvm_unmap_ram() from an invalid context. Example trace from\nf2fs/007 test:\n\nf2fs/007 5s ... [12:59:38][ 8.902525] run fstests f2fs/007\n[ 11.468026] BUG: sleeping function called from invalid context at mm/vmalloc.c:2978\n[ 11.471849] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 68, name: irq/22-ufshcd\n[ 11.475357] preempt_count: 1, expected: 0\n[ 11.476970] RCU nest depth: 0, expected: 0\n[ 11.478531] CPU: 0 UID: 0 PID: 68 Comm: irq/22-ufshcd Tainted: G W 6.16.0-rc5-xfstests-ufs-g40f92e79b0aa #9 PREEMPT(none)\n[ 11.478535] Tainted: [W]=WARN\n[ 11.478536] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014\n[ 11.478537] Call Trace:\n[ 11.478543] <TASK>\n[ 11.478545] dump_stack_lvl+0x4e/0x70\n[ 11.478554] __might_resched.cold+0xaf/0xbe\n[ 11.478557] vm_unmap_ram+0x21/0xb0\n[ 11.478560] f2fs_release_decomp_mem+0x59/0x80\n[ 11.478563] f2fs_free_dic+0x18/0x1a0\n[ 11.478565] f2fs_finish_read_bio+0xd7/0x290\n[ 11.478570] blk_update_request+0xec/0x3b0\n[ 11.478574] ? sbitmap_queue_clear+0x3b/0x60\n[ 11.478576] scsi_end_request+0x27/0x1a0\n[ 11.478582] scsi_io_completion+0x40/0x300\n[ 11.478583] ufshcd_mcq_poll_cqe_lock+0xa3/0xe0\n[ 11.478588] ufshcd_sl_intr+0x194/0x1f0\n[ 11.478592] ufshcd_threaded_intr+0x68/0xb0\n[ 11.478594] ? __pfx_irq_thread_fn+0x10/0x10\n[ 11.478599] irq_thread_fn+0x20/0x60\n[ 11.478602] ? __pfx_irq_thread_fn+0x10/0x10\n[ 11.478603] irq_thread+0xb9/0x180\n[ 11.478605] ? __pfx_irq_thread_dtor+0x10/0x10\n[ 11.478607] ? __pfx_irq_thread+0x10/0x10\n[ 11.478609] kthread+0x10a/0x230\n[ 11.478614] ? __pfx_kthread+0x10/0x10\n[ 11.478615] ret_from_fork+0x7e/0xd0\n[ 11.478619] ? __pfx_kthread+0x10/0x10\n[ 11.478621] ret_from_fork_asm+0x1a/0x30\n[ 11.478623] </TASK>\n\nThis patch modifies in_task() check inside f2fs_read_end_io() to also\ncheck if interrupts are disabled. This ensures that pages are unmapped\nasynchronously in an interrupt handler."}], "id": "CVE-2025-39731", "lastModified": "2026-01-07T21:46:42.980", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-09-07T16:15:48.547", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/08a7efc5b02a0620ae16aa9584060e980a69cb55"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0fe7976b62546f1e95eebfe9879925e9aa22b7a8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1023836d1b9465593c8746f97d608da32958785f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/18eea36f4f460ead3750ed4afe5496f7ce55f99e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/411e00f44e2e1a7fdb526013b25a7f0ed22a0947"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/eb69e69a5ae6c8350957893b5f68bd55b1565fb2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: f2fs: vm_unmap_ram() may be called from an invalid context", "id": "2393736", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2393736"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2025-39731", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-09-07T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-39731\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-39731\nhttps://lore.kernel.org/linux-cve-announce/2025090730-CVE-2025-39731-34d6@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-09-08T15:17:34.336291+00:00", "updated": "2025-09-08T15:17:34.336341+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}