{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2023-52604",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nFS:JFS:UBSAN:array-index-out-of-bounds in dbAdjTree\n\nSyzkaller reported the following issue:\n\nUBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:2867:6\nindex 196694 is out of range for type 's8[1365]' (aka 'signed char[1365]')\nCPU: 1 PID: 109 Comm: jfsCommit Not tainted 6.6.0-rc3-syzkaller #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023\nCall Trace:\n <TASK>\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106\n ubsan_epilogue lib/ubsan.c:217 [inline]\n __ubsan_handle_out_of_bounds+0x11c/0x150 lib/ubsan.c:348\n dbAdjTree+0x474/0x4f0 fs/jfs/jfs_dmap.c:2867\n dbJoin+0x210/0x2d0 fs/jfs/jfs_dmap.c:2834\n dbFreeBits+0x4eb/0xda0 fs/jfs/jfs_dmap.c:2331\n dbFreeDmap fs/jfs/jfs_dmap.c:2080 [inline]\n dbFree+0x343/0x650 fs/jfs/jfs_dmap.c:402\n txFreeMap+0x798/0xd50 fs/jfs/jfs_txnmgr.c:2534\n txUpdateMap+0x342/0x9e0\n txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline]\n jfs_lazycommit+0x47a/0xb70 fs/jfs/jfs_txnmgr.c:2732\n kthread+0x2d3/0x370 kernel/kthread.c:388\n ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147\n ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304\n </TASK>\n================================================================================\nKernel panic - not syncing: UBSAN: panic_on_warn set ...\nCPU: 1 PID: 109 Comm: jfsCommit Not tainted 6.6.0-rc3-syzkaller #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023\nCall Trace:\n <TASK>\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106\n panic+0x30f/0x770 kernel/panic.c:340\n check_panic_on_warn+0x82/0xa0 kernel/panic.c:236\n ubsan_epilogue lib/ubsan.c:223 [inline]\n __ubsan_handle_out_of_bounds+0x13c/0x150 lib/ubsan.c:348\n dbAdjTree+0x474/0x4f0 fs/jfs/jfs_dmap.c:2867\n dbJoin+0x210/0x2d0 fs/jfs/jfs_dmap.c:2834\n dbFreeBits+0x4eb/0xda0 fs/jfs/jfs_dmap.c:2331\n dbFreeDmap fs/jfs/jfs_dmap.c:2080 [inline]\n dbFree+0x343/0x650 fs/jfs/jfs_dmap.c:402\n txFreeMap+0x798/0xd50 fs/jfs/jfs_txnmgr.c:2534\n txUpdateMap+0x342/0x9e0\n txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline]\n jfs_lazycommit+0x47a/0xb70 fs/jfs/jfs_txnmgr.c:2732\n kthread+0x2d3/0x370 kernel/kthread.c:388\n ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147\n ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304\n </TASK>\nKernel Offset: disabled\nRebooting in 86400 seconds..\n\nThe issue is caused when the value of lp becomes greater than\nCTLTREESIZE which is the max size of stree. Adding a simple check\nsolves this issue.\n\nDave:\nAs the function returns a void, good error handling\nwould require a more intrusive code reorganization, so I modified\nOsama's patch at use WARN_ON_ONCE for lack of a cleaner option.\n\nThe patch is tested via syzbot."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Linux",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Linux",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "1da177e4c3f4",
                                            "version_value": "e3e95c685066"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "4.19.307",
                                                        "lessThanOrEqual": "4.19.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.4.269",
                                                        "lessThanOrEqual": "5.4.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.10.210",
                                                        "lessThanOrEqual": "5.10.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "5.15.149",
                                                        "lessThanOrEqual": "5.15.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.1.77",
                                                        "lessThanOrEqual": "6.1.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.6.16",
                                                        "lessThanOrEqual": "6.6.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.7.4",
                                                        "lessThanOrEqual": "6.7.*",
                                                        "status": "unaffected",
                                                        "versionType": "custom"
                                                    },
                                                    {
                                                        "version": "6.8",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/e3e95c6850661c77e6dab079d9b5374a618ebb15",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/e3e95c6850661c77e6dab079d9b5374a618ebb15"
            },
            {
                "url": "https://git.kernel.org/stable/c/98f9537fe61b8382b3cc5dd97347531698517c56",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/98f9537fe61b8382b3cc5dd97347531698517c56"
            },
            {
                "url": "https://git.kernel.org/stable/c/de34de6e57bbbc868e4fcf9e98c76b3587cabb0b",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/de34de6e57bbbc868e4fcf9e98c76b3587cabb0b"
            },
            {
                "url": "https://git.kernel.org/stable/c/6fe8b702125aeee6ce83f20092a2341446704e7b",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/6fe8b702125aeee6ce83f20092a2341446704e7b"
            },
            {
                "url": "https://git.kernel.org/stable/c/42f433785f108893de0dd5260bafb85d7d51db03",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/42f433785f108893de0dd5260bafb85d7d51db03"
            },
            {
                "url": "https://git.kernel.org/stable/c/6a44065dd604972ec1fbcccbdc4a70d266a89cdd",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/6a44065dd604972ec1fbcccbdc4a70d266a89cdd"
            },
            {
                "url": "https://git.kernel.org/stable/c/59342822276f753e49d27ef5eebffbba990572b9",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/59342822276f753e49d27ef5eebffbba990572b9"
            },
            {
                "url": "https://git.kernel.org/stable/c/9862ec7ac1cbc6eb5ee4a045b5d5b8edbb2f7e68",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/9862ec7ac1cbc6eb5ee4a045b5d5b8edbb2f7e68"
            },
            {
                "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html",
                "refsource": "MISC",
                "name": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"
            },
            {
                "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html",
                "refsource": "MISC",
                "name": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"
            }
        ]
    },
    "generator": {
        "engine": "bippy-a5840b7849dd"
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}