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CVE-2026-98967

UnknownEPSS 0.18%

Last modified

CVE-2026-98967 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: cxgb4/ch_ktls: disable softirqs around tid_list erases chcr_ktls_cpl_act_open_rpl() inserts into tid_list from the receive path using xa_insert_bh(). The array is shared by the adapter's connections and initialized with XA_FLAGS_LOCK_BH. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

Description

In the Linux kernel, the following vulnerability has been resolved: cxgb4/ch_ktls: disable softirqs around tid_list erases chcr_ktls_cpl_act_open_rpl() inserts into tid_list from the receive path using xa_insert_bh(). The array is shared by the adapter's connections and initialized with XA_FLAGS_LOCK_BH. However, chcr_ktls_dev_del() and the chcr_ktls_dev_add() error path use xa_erase(), which takes the XArray lock without disabling softirqs. When cleanup runs with softirqs enabled, a receive softirq for another connection on the same CPU can interrupt the erase and spin on the lock held by the interrupted task. Use xa_erase_bh() at both sites to match the insertion path.

Metrics

EPSS Probability
0.18%

7.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= b96adbf6601d76ee0bdd9bfa5bcdd0cdd5333d78, < 2c49ea1dd16d6dc0dd895e6aec57c9a448191cfe; >= 65e302a9bd57b62872040d57eea1201562a7cbb2, < bafe51bb145e6ae549ae79dcbc35648292625934; >= 65e302a9bd57b62872040d57eea1201562a7cbb2, < 0c5063a898813a420e6bad93debd134ef8b3bfd1; >= 65e302a9bd57b62872040d57eea1201562a7cbb2, < 8739f06e3f82cd715f7dd10ab24029ed881efc90; >= 65e302a9bd57b62872040d57eea1201562a7cbb2, < bcf97573d44e277b1744d7f1226f665aa0ccc599; >= 65e302a9bd57b62872040d57eea1201562a7cbb2, < 7110c7f70c59eb7924e79853bcc00e2a026662e6; >= 65e302a9bd57b62872040d57eea1201562a7cbb2, < bea736a2b8c6da5b1078badf1206541b5404250f; >= 65e302a9bd57b62872040d57eea1201562a7cbb2, < 4c9dc0faca98084922caeb689579d338cf3e1c29; 70c4ead897211b184f36cbeda213f2a3e8153218; >= 5.10.42, < 5.10.273; >= 5.12.9, < 5.13
LinuxLinux5.13

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-98967?
In the Linux kernel, the following vulnerability has been resolved: cxgb4/ch_ktls: disable softirqs around tid_list erases chcr_ktls_cpl_act_open_rpl() inserts into tid_list from the receive path using xa_insert_bh(). The array is shared by the adapter's connections and initialized with XA_FLAGS_LOCK_BH. However, chcr_ktls_dev_del() and the chcr_ktls_dev_add() error path use xa_erase(), which takes the XArray lock without disabling softirqs. When cleanup runs with softirqs enabled, a receive softirq for another connection on the same CPU can interrupt the erase and spin on the lock held by the interrupted task. Use xa_erase_bh() at both sites to match the insertion path.
How severe is CVE-2026-98967?
Severity scoring for CVE-2026-98967 is pending analysis. The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.
How do I fix CVE-2026-98967?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST