{"id":"CVE-2025-38075","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: target: iscsi: Fix timeout on deleted connection\n\nNOPIN response timer may expire on a deleted connection and crash with\nsuch logs:\n\nDid not receive response to N…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: target: iscsi: Fix timeout on deleted connection\n\nNOPIN response timer may expire on a deleted connection and crash with\nsuch logs:\n\nDid not receive response to N…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-476"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 3.1, < 5.4.294","linux_kernel >= 5.5, < 5.10.238","linux_kernel >= 5.11, < 5.15.185","linux_kernel >= 5.16, < 6.1.141","linux_kernel >= 6.2, < 6.6.93","linux_kernel >= 6.7, < 6.12.31","linux_kernel >= 6.13, < 6.14.9","linux_kernel = 6.15","debian_linux = 11.0"],"patched":["linux_kernel 6.14.9"],"published":"2025-06-18","updated":"2026-10-15","sourceUpdated":"2026-10-15T22:18:25.470","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-38075","references":[{"url":"https://git.kernel.org/stable/c/019ca2804f3fb49a7f8e56ea6aeaa1ff32724c27","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2c5081439c7ab8da08427befe427f0d732ebc9f9","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3e6429e3707943078240a2c0c0b3ee99ea9b0d9c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/571ce6b6f5cbaf7d24af03cad592fc0e2a54de35","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6815846e0c3a62116a7da9740e3a7c10edc5c7e9","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7f533cc5ee4c4436cee51dc58e81dfd9c3384418","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/87389bff743c55b6b85282de91109391f43e0814","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/fe8421e853ef289e1324fcda004751c89dd9c18a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-38075.json"},{"url":"https://access.redhat.com/security/cve/CVE-2025-38075"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2373376"},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-38075"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-38075"},{"url":"https://lore.kernel.org/linux-cve-announce/2025061840-CVE-2025-38075-19d6@gregkh/T"},{"url":"https://access.redhat.com/errata/RHSA-2025:20518"}],"tags":["nvd","csaf","vex","red-hat","cve.org","score-dispute"],"epss":0.00461,"epssPercentile":0.39803,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-10-15T21:47:04.426452Z"},"scores":{"nvd":9.8,"vendor":5.5,"cna":9.8},"ingestedAt":"2026-10-15T22:48:25.491Z","slug":"CVE-2025-38075","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nscsi: target: iscsi: Fix timeout on deleted connection\n\nNOPIN response timer may expire on a deleted connection and crash with\nsuch logs:\n\nDid not receive response to NOPIN on CID: 0, failing connection for I_T Nexus (null),i,0x00023d000125,iqn.2017-01.com.iscsi.target,t,0x3d\n\nBUG: Kernel NULL pointer dereference on read at 0x00000000\nNIP  strlcpy+0x8/0xb0\nLR iscsit_fill_cxn_timeout_err_stats+0x5c/0xc0 [iscsi_target_mod]\nCall Trace:\n iscsit_handle_nopin_response_timeout+0xfc/0x120 [iscsi_target_mod]\n call_timer_fn+0x58/0x1f0\n run_timer_softirq+0x740/0x860\n __do_softirq+0x16c/0x420\n irq_exit+0x188/0x1c0\n timer_interrupt+0x184/0x410\n\nThat is because nopin response timer may be re-started on nopin timer\nexpiration.\n\nStop nopin timer before stopping the nopin response timer to be sure\nthat no one of them will be re-started.\n\n## Affected\n\n- `linux_kernel >= 3.1, < 5.4.294`\n- `linux_kernel >= 5.5, < 5.10.238`\n- `linux_kernel >= 5.11, < 5.15.185`\n- `linux_kernel >= 5.16, < 6.1.141`\n- `linux_kernel >= 6.2, < 6.6.93`\n- `linux_kernel >= 6.7, < 6.12.31`\n- `linux_kernel >= 6.13, < 6.14.9`\n- `linux_kernel = 6.15`\n- `debian_linux = 11.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.14.9`\n\n## Vendor advisories\n\n- **RHSA-2025:20518** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux BaseOS (v. 9), Red Hat Enterprise Linux CodeReady Linux Builder (v. 9), Red Hat Enterprise Linux Real Time for NFV (v. 9), Red Hat Enterprise Linux Real Time (v. 9) · released 2025-11-11 · [advisory](https://access.redhat.com/errata/RHSA-2025:20518)\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 8 · updated 2026-10-16 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-38075.json)","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":230035,"id":"CVE-2025-38075","ts":1793124772609,"field":"cvss","old":"5.5","new":"9.8"},{"seq":230034,"id":"CVE-2025-38075","ts":1793124772609,"field":"severity","old":"medium","new":"critical"},{"seq":223735,"id":"CVE-2025-38075","ts":1792238380499,"field":"cvss","old":"9.8","new":"5.5"},{"seq":223734,"id":"CVE-2025-38075","ts":1792238380499,"field":"severity","old":"critical","new":"medium"}]}