{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-49959",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\njbd2: stop waiting for space when jbd2_cleanup_journal_tail() returns error\n\nIn __jbd2_log_wait_for_space(), we might call jbd2_cleanup_journal_tail()\nto recover some journal space. But if an error occurs while executing\njbd2_cleanup_journal_tail() (e.g., an EIO), we don't stop waiting for free\nspace right away, we try other branches, and if j_committing_transaction\nis NULL (i.e., the tid is 0), we will get the following complain:\n\n============================================\nJBD2: I/O error when updating journal superblock for sdd-8.\n__jbd2_log_wait_for_space: needed 256 blocks and only had 217 space available\n__jbd2_log_wait_for_space: no way to get more journal space in sdd-8\n------------[ cut here ]------------\nWARNING: CPU: 2 PID: 139804 at fs/jbd2/checkpoint.c:109 __jbd2_log_wait_for_space+0x251/0x2e0\nModules linked in:\nCPU: 2 PID: 139804 Comm: kworker/u8:3 Not tainted 6.6.0+ #1\nRIP: 0010:__jbd2_log_wait_for_space+0x251/0x2e0\nCall Trace:\n <TASK>\n add_transaction_credits+0x5d1/0x5e0\n start_this_handle+0x1ef/0x6a0\n jbd2__journal_start+0x18b/0x340\n ext4_dirty_inode+0x5d/0xb0\n __mark_inode_dirty+0xe4/0x5d0\n generic_update_time+0x60/0x70\n[...]\n============================================\n\nSo only if jbd2_cleanup_journal_tail() returns 1, i.e., there is nothing to\nclean up at the moment, continue to try to reclaim free space in other ways.\n\nNote that this fix relies on commit 6f6a6fda2945 (\"jbd2: fix ocfs2 corrupt\nwhen updating journal superblock fails\") to make jbd2_cleanup_journal_tail\nreturn the correct error code."
            }
        ]
    },
    "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": "8c3f25d8950c",
                                            "version_value": "801a35dfef69"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "2.6.28",
                                                        "status": "affected"
                                                    },
                                                    {
                                                        "version": "0",
                                                        "lessThan": "2.6.28",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "4.19.323",
                                                        "lessThanOrEqual": "4.19.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "5.4.285",
                                                        "lessThanOrEqual": "5.4.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "5.10.227",
                                                        "lessThanOrEqual": "5.10.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "5.15.168",
                                                        "lessThanOrEqual": "5.15.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.1.113",
                                                        "lessThanOrEqual": "6.1.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.6.55",
                                                        "lessThanOrEqual": "6.6.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.10.14",
                                                        "lessThanOrEqual": "6.10.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.11.3",
                                                        "lessThanOrEqual": "6.11.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "6.12",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/801a35dfef6996f3d5eaa96a59caf00440d9165e",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/801a35dfef6996f3d5eaa96a59caf00440d9165e"
            },
            {
                "url": "https://git.kernel.org/stable/c/d5dc65370a746750dbb2f03eabcf86b18db65f32",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/d5dc65370a746750dbb2f03eabcf86b18db65f32"
            },
            {
                "url": "https://git.kernel.org/stable/c/481e8f18a290e39e04ddb7feb2bb2a2cc3b213ed",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/481e8f18a290e39e04ddb7feb2bb2a2cc3b213ed"
            },
            {
                "url": "https://git.kernel.org/stable/c/ec7f8337c98ad281020ad1f11ba492462d80737a",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/ec7f8337c98ad281020ad1f11ba492462d80737a"
            },
            {
                "url": "https://git.kernel.org/stable/c/70bae48377a2c4296fd3caf4caf8f11079111019",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/70bae48377a2c4296fd3caf4caf8f11079111019"
            },
            {
                "url": "https://git.kernel.org/stable/c/1c62dc0d82c62f0dc8fcdc4843208e522acccaf5",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/1c62dc0d82c62f0dc8fcdc4843208e522acccaf5"
            },
            {
                "url": "https://git.kernel.org/stable/c/3ced0fe6c0eff032733ea8b38778b34707270138",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/3ced0fe6c0eff032733ea8b38778b34707270138"
            },
            {
                "url": "https://git.kernel.org/stable/c/c6bf043b210eac67d35a114e345c4e5585672913",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/c6bf043b210eac67d35a114e345c4e5585672913"
            },
            {
                "url": "https://git.kernel.org/stable/c/f5cacdc6f2bb2a9bf214469dd7112b43dd2dd68a",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/f5cacdc6f2bb2a9bf214469dd7112b43dd2dd68a"
            }
        ]
    },
    "generator": {
        "engine": "bippy-8e903de6a542"
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