qed: Don't collect too many protection override GRC elements

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-39949
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-10-04 08:15:48 UTC
Updated2026-07-30 06:24:00 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: qed: Don't collect too many protection override GRC elements In the protection override dump path, the firmware can return far too many GRC elements, resulting in attempting to write past the end of the previously-kmalloc'ed dump buffer. This will result in a kernel panic with reason: BUG: unable to handle kernel paging request at ADDRESS where "ADDRESS" is just past the end of the protection override dump buffer. The start address of the buffer is: p_hwfn->cdev->dbg_features[DBG_FEATURE_PROTECTION_OVERRIDE].dump_buf and the size of the buffer is buf_size in the same data structure. The panic can be arrived at from either the qede Ethernet driver path: [exception RIP: qed_grc_dump_addr_range+0x108] qed_protection_override_dump at ffffffffc02662ed [qed] qed_dbg_protection_override_dump at ffffffffc0267792 [qed] qed_dbg_feature at ffffffffc026aa8f [qed] qed_dbg_all_data at ffffffffc026b211 [qed] qed_fw_fatal_reporter_dump at ffffffffc027298a [qed] devlink_health_do_dump at ffffffff82497f61 devlink_health_report at ffffffff8249cf29 qed_report_fatal_error at ffffffffc0272baf [qed] qede_sp_task at ffffffffc045ed32 [qede] process_one_work at ffffffff81d19783 or the qedf storage driver path: [exception RIP: qed_grc_dump_addr_range+0x108] qed_protection_override_dump at ffffffffc068b2ed [qed] qed_dbg_protection_override_dump at ffffffffc068c792 [qed] qed_dbg_feature at ffffffffc068fa8f [qed] qed_dbg_all_data at ffffffffc0690211 [qed] qed_fw_fatal_reporter_dump at ffffffffc069798a [qed] devlink_health_do_dump at ffffffff8aa95e51 devlink_health_report at ffffffff8aa9ae19 qed_report_fatal_error at ffffffffc0697baf [qed] qed_hw_err_notify at ffffffffc06d32d7 [qed] qed_spq_post at ffffffffc06b1011 [qed] qed_fcoe_destroy_conn at ffffffffc06b2e91 [qed] qedf_cleanup_fcport at ffffffffc05e7597 [qedf] qedf_rport_event_handler at ffffffffc05e7bf7 [qedf] fc_rport_work at ffffffffc02da715 [libfc] process_one_work at ffffffff8a319663 Resolve this by clamping the firmware's return value to the maximum number of legal elements the firmware should return.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Problem Types: NVD-CWE-noinfo

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected d52c89f120de849575f6b2e5948038f2be12ce6f 25672c620421fa2105703a94a29a03487245e6d6 git Not specified
CNA Linux Linux affected d52c89f120de849575f6b2e5948038f2be12ce6f e0e24571a7b2f8c8f06e25d3417253ebbdbc8d5c git Not specified
CNA Linux Linux affected d52c89f120de849575f6b2e5948038f2be12ce6f 8141910869596b7a3a5d9b46107da2191d523f82 git Not specified
CNA Linux Linux affected d52c89f120de849575f6b2e5948038f2be12ce6f ea53e6a47e148b490b1c652fc65d2de5a086df76 git Not specified
CNA Linux Linux affected d52c89f120de849575f6b2e5948038f2be12ce6f 660b2a8f5a306a28c7efc1b4990ecc4912a68f87 git Not specified
CNA Linux Linux affected d52c89f120de849575f6b2e5948038f2be12ce6f 70affe82e38fd3dc76b9c68b5a1989f11e7fa0f3 git Not specified
CNA Linux Linux affected d52c89f120de849575f6b2e5948038f2be12ce6f 56c0a2a9ddc2f5b5078c5fb0f81ab76bbc3d4c37 git Not specified
CNA Linux Linux affected 4.18 Not specified
CNA Linux Linux unaffected 4.18 semver Not specified
CNA Linux Linux unaffected 5.10.245 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.194 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.154 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.108 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.49 6.12.* semver Not specified
CNA Linux Linux unaffected 6.16.9 6.16.* semver Not specified
CNA Linux Linux unaffected 6.17 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/e0e24571a7b2f8c8f06e25d3417253ebbdbc8d5c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/ea53e6a47e148b490b1c652fc65d2de5a086df76 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/70affe82e38fd3dc76b9c68b5a1989f11e7fa0f3 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/56c0a2a9ddc2f5b5078c5fb0f81ab76bbc3d4c37 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/25672c620421fa2105703a94a29a03487245e6d6 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/660b2a8f5a306a28c7efc1b4990ecc4912a68f87 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/8141910869596b7a3a5d9b46107da2191d523f82 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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