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CVE-2026-98967

cxgb4/ch_ktls: disable softirqs around tid_list erases

Products / packages Linux

Published

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Severity and exploitation

Not in CISA KEVNo CVSS score

KEV coverage does not rule out exploitation.

KEV checked 14/11/2026, 20:55:32 UTC

Severity

unknown

CVSS measures technical severity, not the likelihood of an attack.

Known exploitation

Not listed in the checked CISA KEV catalog

Absence from CISA KEV does not rule out attacks.

Public exploit

Not established by this record

Missing evidence does not mean no public exploit exists.

Remediation

Fix status not established

No structured fix or guidance is available here. Check the latest publisher advisory.

What this means

In the Linux kernel, the following vulnerability has been resolved:

Source excerpt · Linux

Attack conditions

No attack-condition excerpt has been identified here. Review the full source description and references for authentication, network access, and configuration requirements.

Review supporting sources →

Affected versions

Check the exact model, release, and any platform requirements against your installation.

Linux · Linux

Linux

11 ranges
Linux version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

b96adbf6601d76ee0bdd9bfa5bcdd0cdd5333d78 → before 2c49ea1dd16d6dc0dd895e6aec57c9a448191cfe

git versions

65e302a9bd57b62872040d57eea1201562a7cbb2 → before bafe51bb145e6ae549ae79dcbc35648292625934

git versions

65e302a9bd57b62872040d57eea1201562a7cbb2 → before 0c5063a898813a420e6bad93debd134ef8b3bfd1

git versions

65e302a9bd57b62872040d57eea1201562a7cbb2 → before 8739f06e3f82cd715f7dd10ab24029ed881efc90

git versions

65e302a9bd57b62872040d57eea1201562a7cbb2 → before bcf97573d44e277b1744d7f1226f665aa0ccc599

git versions

65e302a9bd57b62872040d57eea1201562a7cbb2 → before 7110c7f70c59eb7924e79853bcc00e2a026662e6

git versions

65e302a9bd57b62872040d57eea1201562a7cbb2 → before bea736a2b8c6da5b1078badf1206541b5404250f

git versions

65e302a9bd57b62872040d57eea1201562a7cbb2 → before 4c9dc0faca98084922caeb689579d338cf3e1c29

git versions

70c4ead897211b184f36cbeda213f2a3e8153218

git versions

5.10.42 → before 5.10.273

semver versions

5.12.9 → before 5.13

semver versions

unaffected

unknown

Other versions: unaffected

Linux · Linux

Linux

10 ranges
Linux version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

5.13

unaffected

0 → before 5.13

semver versions

5.10.273 → through 5.10.*

semver versions

5.15.224 → through 5.15.*

semver versions

6.1.191 → through 6.1.*

semver versions

6.6.160 → through 6.6.*

semver versions

6.12.113 → through 6.12.*

semver versions

6.18.57 → through 6.18.*

semver versions

7.2.11 → through 7.2.*

semver versions

7.3 → through *

original_commit_for_fix versions

unknown

Other versions: affected

Automatic dependency matching is unavailable for this record. Use the product evidence and publisher’s instructions to check your installation.

What to do

Compare your installed product and version with the affected versions above. A matching product name alone does not confirm exposure.

No structured fix or remediation guidance is available here. Check the full source description and vendor’s latest advisory for a patch or workaround; do not assume another version is safe.

cve.new guidance unless attributed to a publisher. This page does not inspect your installation.

Public exploit evidence

No public exploit reference is identified in the imported evidence. This is not a claim that no exploit exists.

Original source description

Read the full publisher 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.

References

8 sources
git.kernel.org/stable/c/2c49ea1dd16d6dc0dd895e6aec57c9a448191cfe
Source referenceLinux
git.kernel.org/stable/c/bafe51bb145e6ae549ae79dcbc35648292625934
Source referenceLinux
git.kernel.org/stable/c/0c5063a898813a420e6bad93debd134ef8b3bfd1
Source referenceLinux
git.kernel.org/stable/c/8739f06e3f82cd715f7dd10ab24029ed881efc90
Source referenceLinux
git.kernel.org/stable/c/bcf97573d44e277b1744d7f1226f665aa0ccc599
Source referenceLinux
git.kernel.org/stable/c/7110c7f70c59eb7924e79853bcc00e2a026662e6
Source referenceLinux
View 2 more references
git.kernel.org/stable/c/bea736a2b8c6da5b1078badf1206541b5404250f
Source referenceLinux
git.kernel.org/stable/c/4c9dc0faca98084922caeb689579d338cf3e1c29
Source referenceLinux

Inside the record

Evidence available

Package identity · not supplied
Version evidence
Remediation guidance · not supplied
Weakness classification · not supplied
Additional publishers · not supplied

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-98967

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Environment requirements

These conditions apply together as specified by the publisher. A matching product name alone does not establish exposure.

Linux · platform conditions

Any condition may hold

Vulnerable product

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

From (inclusive): 5.10.42

Before: 5.10.273

Vulnerable product

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

From (inclusive): 5.13

Before: 5.15.224

Vulnerable product

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

From (inclusive): 5.13

Before: 6.1.191

Vulnerable product

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

From (inclusive): 5.13

Before: 6.6.160

Vulnerable product

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

From (inclusive): 5.13

Before: 6.12.113

Vulnerable product

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

From (inclusive): 5.13

Before: 6.18.57

Vulnerable product

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

From (inclusive): 5.13

Before: 7.2.11

Vulnerable product

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

From (inclusive): 5.13

Before: 7.3

Vulnerable product

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

From (inclusive): 5.12.9

Applicability preview
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        "cpeMatch": [
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            "vulnerable": true,
            "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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]
Contributing organizations · 1
Linux

Assigning organization

2026-10-30

Timeline

All times UTC

  1. Advisory published

    Publication date supplied by the source.

  2. Source updated

    Latest modification date supplied by the source.

  3. Last imported by cve.new

    Latest catalog import, not the date we first saw this advisory.

What changed

Follow changes
No substantive changes have been recorded here yet. History starts when cve.new observes a change after tracking is enabled; earlier edits are not reconstructed.

Large field values are marked as truncated previews. Original source snapshots remain retained.