{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2024-38661", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-38661", "idYear": 2024, "status": "PUBLISHED", "publishedAt": "2024-06-25T14:22:38.224Z", "updatedAt": "2026-05-11T20:20:40.169Z", "importedAt": "2026-10-24T01:57:16.009Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "s390/ap: Fix crash in AP internal function modify_bitmap()", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ns390/ap: Fix crash in AP internal function modify_bitmap()\n\nA system crash like this\n\n Failing address: 200000cb7df6f000 TEID: 200000cb7df6f403\n Fault in home space mode while using kernel ASCE.\n AS:00000002d71bc007 R3:00000003fe5b8007 S:000000011a446000 P:000000015660c13d\n Oops: 0038 ilc:3 [#1] PREEMPT SMP\n Modules linked in: mlx5_ib ...\n CPU: 8 PID: 7556 Comm: bash Not tainted 6.9.0-rc7 #8\n Hardware name: IBM 3931 A01 704 (LPAR)\n Krnl PSW : 0704e00180000000 0000014b75e7b606 (ap_parse_bitmap_str+0x10e/0x1f8)\n R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:2 PM:0 RI:0 EA:3\n Krnl GPRS: 0000000000000001 ffffffffffffffc0 0000000000000001 00000048f96b75d3\n 000000cb00000100 ffffffffffffffff ffffffffffffffff 000000cb7df6fce0\n 000000cb7df6fce0 00000000ffffffff 000000000000002b 00000048ffffffff\n 000003ff9b2dbc80 200000cb7df6fcd8 0000014bffffffc0 000000cb7df6fbc8\n Krnl Code: 0000014b75e7b5fc: a7840047 brc 8,0000014b75e7b68a\n 0000014b75e7b600: 18b2 lr %r11,%r2\n #0000014b75e7b602: a7f4000a brc 15,0000014b75e7b616\n >0000014b75e7b606: eb22d00000e6 laog %r2,%r2,0(%r13)\n 0000014b75e7b60c: a7680001 lhi %r6,1\n 0000014b75e7b610: 187b lr %r7,%r11\n 0000014b75e7b612: 84960021 brxh %r9,%r6,0000014b75e7b654\n 0000014b75e7b616: 18e9 lr %r14,%r9\n Call Trace:\n [<0000014b75e7b606>] ap_parse_bitmap_str+0x10e/0x1f8\n ([<0000014b75e7b5dc>] ap_parse_bitmap_str+0xe4/0x1f8)\n [<0000014b75e7b758>] apmask_store+0x68/0x140\n [<0000014b75679196>] kernfs_fop_write_iter+0x14e/0x1e8\n [<0000014b75598524>] vfs_write+0x1b4/0x448\n [<0000014b7559894c>] ksys_write+0x74/0x100\n [<0000014b7618a440>] __do_syscall+0x268/0x328\n [<0000014b761a3558>] system_call+0x70/0x98\n INFO: lockdep is turned off.\n Last Breaking-Event-Address:\n [<0000014b75e7b636>] ap_parse_bitmap_str+0x13e/0x1f8\n Kernel panic - not syncing: Fatal exception: panic_on_oops\n\noccured when /sys/bus/ap/a[pq]mask was updated with a relative mask value\n(like +0x10-0x12,+60,-90) with one of the numeric values exceeding INT_MAX.\n\nThe fix is simple: use unsigned long values for the internal variables. The\ncorrect checks are already in place in the function but a simple int for\nthe internal variables was used with the possibility to overflow.", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "3d8f60d38e249f989a7fca9c2370c31c3d5487e1", "status": "affected", "versionType": "git", "lessThan": "2062e3f1f2374102f8014d7ca286b9aa527bd558" }, { "version": "3d8f60d38e249f989a7fca9c2370c31c3d5487e1", "status": "affected", "versionType": "git", "lessThan": "7c72af16abf2ec7520407098360bbba312289e05" }, { "version": "3d8f60d38e249f989a7fca9c2370c31c3d5487e1", "status": "affected", "versionType": "git", "lessThan": "7360cef95aa1ea2b5efb7b5e2ed32e941664e1f0" }, { "version": "3d8f60d38e249f989a7fca9c2370c31c3d5487e1", "status": "affected", "versionType": "git", "lessThan": "67011123453b91ec03671d40712fa213e94a01b9" }, { "version": "3d8f60d38e249f989a7fca9c2370c31c3d5487e1", "status": "affected", "versionType": "git", "lessThan": "8c5f5911c1b13170d3404eb992c6a0deaa8d81ad" }, { "version": "3d8f60d38e249f989a7fca9c2370c31c3d5487e1", "status": "affected", "versionType": "git", "lessThan": "4c0bfb4e867c1ec6616a5049bd3618021e127056" }, { "version": "3d8f60d38e249f989a7fca9c2370c31c3d5487e1", "status": "affected", "versionType": "git", "lessThan": "7dabe54a016defe11bb2a278cd9f1ff6db3feba6" }, { "version": "3d8f60d38e249f989a7fca9c2370c31c3d5487e1", "status": "affected", "versionType": "git", "lessThan": "d4f9d5a99a3fd1b1c691b7a1a6f8f3f25f4116c9" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "4.19", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "4.19" }, { "version": "4.19.316", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.19.*" }, { "version": "5.4.278", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.4.*" }, { "version": "5.10.219", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.161", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.1.94", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.6.34", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.6.*" }, { "version": "6.9.5", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.9.*" }, { "version": "6.10", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }