{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-53558", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-10-04T15:14:15.923Z", "datePublished": "2025-10-04T15:17:02.822Z", "dateUpdated": "2026-05-11T19:47:17.694Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:47:17.694Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrcu-tasks: Avoid pr_info() with spin lock in cblist_init_generic()\n\npr_info() is called with rtp->cbs_gbl_lock spin lock locked. Because\npr_info() calls printk() that might sleep, this will result in BUG\nlike below:\n\n[ 0.206455] cblist_init_generic: Setting adjustable number of callback queues.\n[ 0.206463]\n[ 0.206464] =============================\n[ 0.206464] [ BUG: Invalid wait context ]\n[ 0.206465] 5.19.0-00428-g9de1f9c8ca51 #5 Not tainted\n[ 0.206466] -----------------------------\n[ 0.206466] swapper/0/1 is trying to lock:\n[ 0.206467] ffffffffa0167a58 (&port_lock_key){....}-{3:3}, at: serial8250_console_write+0x327/0x4a0\n[ 0.206473] other info that might help us debug this:\n[ 0.206473] context-{5:5}\n[ 0.206474] 3 locks held by swapper/0/1:\n[ 0.206474] #0: ffffffff9eb597e0 (rcu_tasks.cbs_gbl_lock){....}-{2:2}, at: cblist_init_generic.constprop.0+0x14/0x1f0\n[ 0.206478] #1: ffffffff9eb579c0 (console_lock){+.+.}-{0:0}, at: _printk+0x63/0x7e\n[ 0.206482] #2: ffffffff9ea77780 (console_owner){....}-{0:0}, at: console_emit_next_record.constprop.0+0x111/0x330\n[ 0.206485] stack backtrace:\n[ 0.206486] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.19.0-00428-g9de1f9c8ca51 #5\n[ 0.206488] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.0-1.fc36 04/01/2014\n[ 0.206489] Call Trace:\n[ 0.206490] <TASK>\n[ 0.206491] dump_stack_lvl+0x6a/0x9f\n[ 0.206493] __lock_acquire.cold+0x2d7/0x2fe\n[ 0.206496] ? stack_trace_save+0x46/0x70\n[ 0.206497] lock_acquire+0xd1/0x2f0\n[ 0.206499] ? serial8250_console_write+0x327/0x4a0\n[ 0.206500] ? __lock_acquire+0x5c7/0x2720\n[ 0.206502] _raw_spin_lock_irqsave+0x3d/0x90\n[ 0.206504] ? serial8250_console_write+0x327/0x4a0\n[ 0.206506] serial8250_console_write+0x327/0x4a0\n[ 0.206508] console_emit_next_record.constprop.0+0x180/0x330\n[ 0.206511] console_unlock+0xf7/0x1f0\n[ 0.206512] vprintk_emit+0xf7/0x330\n[ 0.206514] _printk+0x63/0x7e\n[ 0.206516] cblist_init_generic.constprop.0.cold+0x24/0x32\n[ 0.206518] rcu_init_tasks_generic+0x5/0xd9\n[ 0.206522] kernel_init_freeable+0x15b/0x2a2\n[ 0.206523] ? rest_init+0x160/0x160\n[ 0.206526] kernel_init+0x11/0x120\n[ 0.206527] ret_from_fork+0x1f/0x30\n[ 0.206530] </TASK>\n[ 0.207018] cblist_init_generic: Setting shift to 1 and lim to 1.\n\nThis patch moves pr_info() so that it is called without\nrtp->cbs_gbl_lock locked."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/rcu/tasks.h"], "versions": [{"version": "ab97152f88a4d580b89f0b7cc3028ffac438216f", "lessThan": "9027d69221ff96e1356f070f7feb2ff989ae7388", "status": "affected", "versionType": "git"}, {"version": "ab97152f88a4d580b89f0b7cc3028ffac438216f", "lessThan": "ea9b81c7d9104040b46a84d2303045de267f5557", "status": "affected", "versionType": "git"}, {"version": "ab97152f88a4d580b89f0b7cc3028ffac438216f", "lessThan": "5fc8cbe4cf0fd34ded8045c385790c3bf04f6785", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/rcu/tasks.h"], "versions": [{"version": "5.17", "status": "affected"}, {"version": "0", "lessThan": "5.17", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.42", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.4.7", "lessThanOrEqual": "6.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.5", "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": "5.17", "versionEndExcluding": "6.1.42"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.17", "versionEndExcluding": "6.4.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.17", "versionEndExcluding": "6.5"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/9027d69221ff96e1356f070f7feb2ff989ae7388"}, {"url": "https://git.kernel.org/stable/c/ea9b81c7d9104040b46a84d2303045de267f5557"}, {"url": "https://git.kernel.org/stable/c/5fc8cbe4cf0fd34ded8045c385790c3bf04f6785"}], "title": "rcu-tasks: Avoid pr_info() with spin lock in cblist_init_generic()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D3AB6790-02E1-4546-BF09-8152EB7242FD", "versionEndExcluding": "6.1.42", "versionStartIncluding": "5.17", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "60A1A1ED-EA6C-42F6-80D3-3316DC7608C7", "versionEndExcluding": "6.4.7", "versionStartIncluding": "6.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrcu-tasks: Avoid pr_info() with spin lock in cblist_init_generic()\n\npr_info() is called with rtp->cbs_gbl_lock spin lock locked. Because\npr_info() calls printk() that might sleep, this will result in BUG\nlike below:\n\n[ 0.206455] cblist_init_generic: Setting adjustable number of callback queues.\n[ 0.206463]\n[ 0.206464] =============================\n[ 0.206464] [ BUG: Invalid wait context ]\n[ 0.206465] 5.19.0-00428-g9de1f9c8ca51 #5 Not tainted\n[ 0.206466] -----------------------------\n[ 0.206466] swapper/0/1 is trying to lock:\n[ 0.206467] ffffffffa0167a58 (&port_lock_key){....}-{3:3}, at: serial8250_console_write+0x327/0x4a0\n[ 0.206473] other info that might help us debug this:\n[ 0.206473] context-{5:5}\n[ 0.206474] 3 locks held by swapper/0/1:\n[ 0.206474] #0: ffffffff9eb597e0 (rcu_tasks.cbs_gbl_lock){....}-{2:2}, at: cblist_init_generic.constprop.0+0x14/0x1f0\n[ 0.206478] #1: ffffffff9eb579c0 (console_lock){+.+.}-{0:0}, at: _printk+0x63/0x7e\n[ 0.206482] #2: ffffffff9ea77780 (console_owner){....}-{0:0}, at: console_emit_next_record.constprop.0+0x111/0x330\n[ 0.206485] stack backtrace:\n[ 0.206486] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.19.0-00428-g9de1f9c8ca51 #5\n[ 0.206488] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.0-1.fc36 04/01/2014\n[ 0.206489] Call Trace:\n[ 0.206490] <TASK>\n[ 0.206491] dump_stack_lvl+0x6a/0x9f\n[ 0.206493] __lock_acquire.cold+0x2d7/0x2fe\n[ 0.206496] ? stack_trace_save+0x46/0x70\n[ 0.206497] lock_acquire+0xd1/0x2f0\n[ 0.206499] ? serial8250_console_write+0x327/0x4a0\n[ 0.206500] ? __lock_acquire+0x5c7/0x2720\n[ 0.206502] _raw_spin_lock_irqsave+0x3d/0x90\n[ 0.206504] ? serial8250_console_write+0x327/0x4a0\n[ 0.206506] serial8250_console_write+0x327/0x4a0\n[ 0.206508] console_emit_next_record.constprop.0+0x180/0x330\n[ 0.206511] console_unlock+0xf7/0x1f0\n[ 0.206512] vprintk_emit+0xf7/0x330\n[ 0.206514] _printk+0x63/0x7e\n[ 0.206516] cblist_init_generic.constprop.0.cold+0x24/0x32\n[ 0.206518] rcu_init_tasks_generic+0x5/0xd9\n[ 0.206522] kernel_init_freeable+0x15b/0x2a2\n[ 0.206523] ? rest_init+0x160/0x160\n[ 0.206526] kernel_init+0x11/0x120\n[ 0.206527] ret_from_fork+0x1f/0x30\n[ 0.206530] </TASK>\n[ 0.207018] cblist_init_generic: Setting shift to 1 and lim to 1.\n\nThis patch moves pr_info() so that it is called without\nrtp->cbs_gbl_lock locked."}], "id": "CVE-2023-53558", "lastModified": "2026-03-21T01:00:18.150", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-10-04T16:15:51.163", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5fc8cbe4cf0fd34ded8045c385790c3bf04f6785"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9027d69221ff96e1356f070f7feb2ff989ae7388"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ea9b81c7d9104040b46a84d2303045de267f5557"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: rcu-tasks: Avoid pr_info() with spin lock in cblist_init_generic()", "id": "2401543", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2401543"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nrcu-tasks: Avoid pr_info() with spin lock in cblist_init_generic()\npr_info() is called with rtp->cbs_gbl_lock spin lock locked. Because\npr_info() calls printk() that might sleep, this will result in BUG\nlike below:\n[ 0.206455] cblist_init_generic: Setting adjustable number of callback queues.\n[ 0.206463]\n[ 0.206464] =============================\n[ 0.206464] [ BUG: Invalid wait context ]\n[ 0.206465] 5.19.0-00428-g9de1f9c8ca51 #5 Not tainted\n[ 0.206466] -----------------------------\n[ 0.206466] swapper/0/1 is trying to lock:\n[ 0.206467] ffffffffa0167a58 (&port_lock_key){....}-{3:3}, at: serial8250_console_write+0x327/0x4a0\n[ 0.206473] other info that might help us debug this:\n[ 0.206473] context-{5:5}\n[ 0.206474] 3 locks held by swapper/0/1:\n[ 0.206474] #0: ffffffff9eb597e0 (rcu_tasks.cbs_gbl_lock){....}-{2:2}, at: cblist_init_generic.constprop.0+0x14/0x1f0\n[ 0.206478] #1: ffffffff9eb579c0 (console_lock){+.+.}-{0:0}, at: _printk+0x63/0x7e\n[ 0.206482] #2: ffffffff9ea77780 (console_owner){....}-{0:0}, at: console_emit_next_record.constprop.0+0x111/0x330\n[ 0.206485] stack backtrace:\n[ 0.206486] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.19.0-00428-g9de1f9c8ca51 #5\n[ 0.206488] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.0-1.fc36 04/01/2014\n[ 0.206489] Call Trace:\n[ 0.206490] <TASK>\n[ 0.206491] dump_stack_lvl+0x6a/0x9f\n[ 0.206493] __lock_acquire.cold+0x2d7/0x2fe\n[ 0.206496] ? stack_trace_save+0x46/0x70\n[ 0.206497] lock_acquire+0xd1/0x2f0\n[ 0.206499] ? serial8250_console_write+0x327/0x4a0\n[ 0.206500] ? __lock_acquire+0x5c7/0x2720\n[ 0.206502] _raw_spin_lock_irqsave+0x3d/0x90\n[ 0.206504] ? serial8250_console_write+0x327/0x4a0\n[ 0.206506] serial8250_console_write+0x327/0x4a0\n[ 0.206508] console_emit_next_record.constprop.0+0x180/0x330\n[ 0.206511] console_unlock+0xf7/0x1f0\n[ 0.206512] vprintk_emit+0xf7/0x330\n[ 0.206514] _printk+0x63/0x7e\n[ 0.206516] cblist_init_generic.constprop.0.cold+0x24/0x32\n[ 0.206518] rcu_init_tasks_generic+0x5/0xd9\n[ 0.206522] kernel_init_freeable+0x15b/0x2a2\n[ 0.206523] ? rest_init+0x160/0x160\n[ 0.206526] kernel_init+0x11/0x120\n[ 0.206527] ret_from_fork+0x1f/0x30\n[ 0.206530] </TASK>\n[ 0.207018] cblist_init_generic: Setting shift to 1 and lim to 1.\nThis patch moves pr_info() so that it is called without\nrtp->cbs_gbl_lock locked."], "name": "CVE-2023-53558", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:rhivos:1", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat In-Vehicle Operating System 1"}], "public_date": "2025-10-04T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-53558\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-53558\nhttps://lore.kernel.org/linux-cve-announce/2025100449-CVE-2023-53558-e6f7@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-10-06T14:41:21.776736+00:00", "updated": "2025-10-06T14:41:21.776790+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}