{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-68348", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-16T14:48:05.300Z", "datePublished": "2025-12-24T10:32:40.561Z", "dateUpdated": "2025-12-24T10:32:40.561Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-12-24T10:32:40.561Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nblock: fix memory leak in __blkdev_issue_zero_pages\n\nMove the fatal signal check before bio_alloc() to prevent a memory\nleak when BLKDEV_ZERO_KILLABLE is set and a fatal signal is pending.\n\nPreviously, the bio was allocated before checking for a fatal signal.\nIf a signal was pending, the code would break out of the loop without\nfreeing or chaining the just-allocated bio, causing a memory leak.\n\nThis matches the pattern already used in __blkdev_issue_write_zeroes()\nwhere the signal check precedes the allocation."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["block/blk-lib.c"], "versions": [{"version": "bf86bcdb40123ee99669ee91b67e023669433a1a", "lessThan": "453e4b0c84d0db1454ff0adf655d91179e6fca3a", "status": "affected", "versionType": "git"}, {"version": "bf86bcdb40123ee99669ee91b67e023669433a1a", "lessThan": "7957635c679e8a01147163a3a4a1f16e1210fa03", "status": "affected", "versionType": "git"}, {"version": "bf86bcdb40123ee99669ee91b67e023669433a1a", "lessThan": "7193407bc4457212fa38ec3aff9c640e63a8dbef", "status": "affected", "versionType": "git"}, {"version": "bf86bcdb40123ee99669ee91b67e023669433a1a", "lessThan": "f7e3f852a42d7cd8f1af2c330d9d153e30c8adcf", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["block/blk-lib.c"], "versions": [{"version": "6.11", "status": "affected"}, {"version": "0", "lessThan": "6.11", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.63", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.17.13", "lessThanOrEqual": "6.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.2", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19-rc1", "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": "6.11", "versionEndExcluding": "6.12.63"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "6.17.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "6.18.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "6.19-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/453e4b0c84d0db1454ff0adf655d91179e6fca3a"}, {"url": "https://git.kernel.org/stable/c/7957635c679e8a01147163a3a4a1f16e1210fa03"}, {"url": "https://git.kernel.org/stable/c/7193407bc4457212fa38ec3aff9c640e63a8dbef"}, {"url": "https://git.kernel.org/stable/c/f7e3f852a42d7cd8f1af2c330d9d153e30c8adcf"}], "title": "block: fix memory leak in __blkdev_issue_zero_pages", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nblock: fix memory leak in __blkdev_issue_zero_pages\n\nMove the fatal signal check before bio_alloc() to prevent a memory\nleak when BLKDEV_ZERO_KILLABLE is set and a fatal signal is pending.\n\nPreviously, the bio was allocated before checking for a fatal signal.\nIf a signal was pending, the code would break out of the loop without\nfreeing or chaining the just-allocated bio, causing a memory leak.\n\nThis matches the pattern already used in __blkdev_issue_write_zeroes()\nwhere the signal check precedes the allocation."}], "id": "CVE-2025-68348", "lastModified": "2025-12-24T11:15:58.147", "metrics": {}, "published": "2025-12-24T11:15:58.147", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/453e4b0c84d0db1454ff0adf655d91179e6fca3a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7193407bc4457212fa38ec3aff9c640e63a8dbef"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7957635c679e8a01147163a3a4a1f16e1210fa03"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f7e3f852a42d7cd8f1af2c330d9d153e30c8adcf"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: block: fix memory leak in __blkdev_issue_zero_pages", "id": "2424869", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2424869"}, "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": ["In the Linux kernel, the following vulnerability has been resolved:\nblock: fix memory leak in __blkdev_issue_zero_pages\nMove the fatal signal check before bio_alloc() to prevent a memory\nleak when BLKDEV_ZERO_KILLABLE is set and a fatal signal is pending.\nPreviously, the bio was allocated before checking for a fatal signal.\nIf a signal was pending, the code would break out of the loop without\nfreeing or chaining the just-allocated bio, causing a memory leak.\nThis matches the pattern already used in __blkdev_issue_write_zeroes()\nwhere the signal check precedes the allocation."], "name": "CVE-2025-68348", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-12-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-68348\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-68348\nhttps://lore.kernel.org/linux-cve-announce/2025122453-CVE-2025-68348-2088@gregkh/T"], "threat_severity": "Low"}