CVE-2024-57923

{"id": "CVE-2024-57923", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2025-01-19T12:15:26.433", "references": [{"url": "https://git.kernel.org/stable/c/0ee4736c003daded513de0ff112d4a1e9c85bbab", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/25adbb08aeadcff883ab801df99fd20fefbb6ca4", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-617"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: zlib: fix avail_in bytes for s390 zlib HW compression path\n\nSince the input data length passed to zlib_compress_folios() can be\narbitrary, always setting strm.avail_in to a multiple of PAGE_SIZE may\ncause read-in bytes to exceed the input range. Currently this triggers\nan assert in btrfs_compress_folios() on the debug kernel (see below).\nFix strm.avail_in calculation for S390 hardware acceleration path.\n\n assertion failed: *total_in <= orig_len, in fs/btrfs/compression.c:1041\n ------------[ cut here ]------------\n kernel BUG at fs/btrfs/compression.c:1041!\n monitor event: 0040 ilc:2 [#1] PREEMPT SMP\n CPU: 16 UID: 0 PID: 325 Comm: kworker/u273:3 Not tainted 6.13.0-20241204.rc1.git6.fae3b21430ca.300.fc41.s390x+debug #1\n Hardware name: IBM 3931 A01 703 (z/VM 7.4.0)\n Workqueue: btrfs-delalloc btrfs_work_helper\n Krnl PSW : 0704d00180000000 0000021761df6538 (btrfs_compress_folios+0x198/0x1a0)\n R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:1 PM:0 RI:0 EA:3\n Krnl GPRS: 0000000080000000 0000000000000001 0000000000000047 0000000000000000\n 0000000000000006 ffffff01757bb000 000001976232fcc0 000000000000130c\n 000001976232fcd0 000001976232fcc8 00000118ff4a0e30 0000000000000001\n 00000111821ab400 0000011100000000 0000021761df6534 000001976232fb58\n Krnl Code: 0000021761df6528: c020006f5ef4 larl %r2,0000021762be2310\n 0000021761df652e: c0e5ffbd09d5 brasl %r14,00000217615978d8\n #0000021761df6534: af000000 mc 0,0\n >0000021761df6538: 0707 bcr 0,%r7\n 0000021761df653a: 0707 bcr 0,%r7\n 0000021761df653c: 0707 bcr 0,%r7\n 0000021761df653e: 0707 bcr 0,%r7\n 0000021761df6540: c004004bb7ec brcl 0,000002176276d518\n Call Trace:\n [<0000021761df6538>] btrfs_compress_folios+0x198/0x1a0\n ([<0000021761df6534>] btrfs_compress_folios+0x194/0x1a0)\n [<0000021761d97788>] compress_file_range+0x3b8/0x6d0\n [<0000021761dcee7c>] btrfs_work_helper+0x10c/0x160\n [<0000021761645760>] process_one_work+0x2b0/0x5d0\n [<000002176164637e>] worker_thread+0x20e/0x3e0\n [<000002176165221a>] kthread+0x15a/0x170\n [<00000217615b859c>] __ret_from_fork+0x3c/0x60\n [<00000217626e72d2>] ret_from_fork+0xa/0x38\n INFO: lockdep is turned off.\n Last Breaking-Event-Address:\n [<0000021761597924>] _printk+0x4c/0x58\n Kernel panic - not syncing: Fatal exception: panic_on_oops"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: btrfs: zlib: arregla los bytes avail_in para la ruta de compresi\u00f3n de hardware zlib s390 Dado que la longitud de los datos de entrada que se pasan a zlib_compress_folios() puede ser arbitraria, configurar siempre strm.avail_in como un m\u00faltiplo de PAGE_SIZE puede provocar que los bytes de lectura superen el rango de entrada. Actualmente, esto activa una afirmaci\u00f3n en btrfs_compress_folios() en el kernel de depuraci\u00f3n (ver a continuaci\u00f3n). Arregla el c\u00e1lculo de strm.avail_in para la ruta de aceleraci\u00f3n de hardware S390. La afirmaci\u00f3n fall\u00f3: *total_in &lt;= orig_len, en fs/btrfs/compression.c:1041 ------------[ corte aqu\u00ed ]------------ \u00a1ERROR del kernel en fs/btrfs/compression.c:1041! Evento de monitor: 0040 ilc:2 [#1] PREEMPT SMP CPU: 16 UID: 0 PID: 325 Comm: kworker/u273:3 No contaminado 6.13.0-20241204.rc1.git6.fae3b21430ca.300.fc41.s390x+debug #1 Nombre de hardware: IBM 3931 A01 703 (z/VM 7.4.0) Cola de trabajo: btrfs-delalloc btrfs_work_helper Krnl PSW: 0704d00180000000 0000021761df6538 (btrfs_compress_folios+0x198/0x1a0) R:0 T:1 IO:1 EX:1 Clave:0 M:1 W:0 P:0 AS:3 CC:1 PM:0 RI:0 EA:3 Krnl GPRS: 0000000080000000 0000000000000001 0000000000000047 0000000000000000 000000000000006 ffffff01757bb000 000001976232fcc0 000000000000130c 000001976232fcd0 000001976232fcc8 00000118ff4a0e30 0000000000000001 00000111821ab400 0000011100000000 0000021761df6534 000001976232fb58 C\u00f3digo Krnl: 0000021761df6528: c020006f5ef4 larl %r2,0000021762be2310 0000021761df652e: c0e5ffbd09d5 brasl %r14,00000217615978d8 #0000021761df6534: af000000 mc 0,0 &gt;0000021761df6538: 0707 bcr 0,%r7 0000021761df653a: 0707 bcr 0,%r7 0000021761df653c: 0707 bcr 0,%r7 0000021761df653e: 0707 bcr 0,%r7 0000021761df6540: c004004bb7ec brcl 0,000002176276d518 Seguimiento de llamadas: [&lt;0000021761df6538&gt;] btrfs_compress_folios+0x198/0x1a0 ([&lt;0000021761df6534&gt;] btrfs_compress_folios+0x194/0x1a0) [&lt;0000021761d97788&gt;] rango_archivo_comprimir+0x3b8/0x6d0 [&lt;0000021761dcee7c&gt;] ayuda_trabajo_btrfs+0x10c/0x160 [&lt;0000021761645760&gt;] trabajo_proceso_uno+0x2b0/0x5d0 [&lt;000002176164637e&gt;] subproceso_trabajador+0x20e/0x3e0 [&lt;000002176165221a&gt;] subproceso_k+0x15a/0x170 [&lt;00000217615b859c&gt;] __ret_de_bifurcaci\u00f3n+0x3c/0x60 [&lt;00000217626e72d2&gt;] ret_de_bifurcaci\u00f3n+0xa/0x38 INFORMACI\u00d3N: bloqueo_dep es Desactivado. Direcci\u00f3n del \u00faltimo evento de ruptura: [&lt;0000021761597924&gt;] _printk+0x4c/0x58 P\u00e1nico del kernel: no se sincroniza: Excepci\u00f3n fatal: panic_on_oops"}], "lastModified": "2025-09-26T19:49:20.093", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CAA666EC-CF76-46C6-AE86-951E128D4C0A", "versionEndExcluding": "6.12.10", "versionStartIncluding": "6.12"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "62567B3C-6CEE-46D0-BC2E-B3717FBF7D13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5A073481-106D-4B15-B4C7-FB0213B8E1D4"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DE491969-75AE-4A6B-9A58-8FC5AF98798F"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "93C0660D-7FB8-4FBA-892A-B064BA71E49E"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "034C36A6-C481-41F3-AE9A-D116E5BE6895"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8AF9DC49-2085-4FFB-A7E3-73DFAFECC7F2"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}