aoe: fix the potential use-after-free problem in aoecmd_cfg_pkts

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Summary

CVECVE-2024-26898
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-04-17 11:15:10 UTC
Updated2026-05-12 12:16:25 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: aoe: fix the potential use-after-free problem in aoecmd_cfg_pkts This patch is against CVE-2023-6270. The description of cve is: A flaw was found in the ATA over Ethernet (AoE) driver in the Linux kernel. The aoecmd_cfg_pkts() function improperly updates the refcnt on `struct net_device`, and a use-after-free can be triggered by racing between the free on the struct and the access through the `skbtxq` global queue. This could lead to a denial of service condition or potential code execution. In aoecmd_cfg_pkts(), it always calls dev_put(ifp) when skb initial code is finished. But the net_device ifp will still be used in later tx()->dev_queue_xmit() in kthread. Which means that the dev_put(ifp) should NOT be called in the success path of skb initial code in aoecmd_cfg_pkts(). Otherwise tx() may run into use-after-free because the net_device is freed. This patch removed the dev_put(ifp) in the success path in aoecmd_cfg_pkts(), and added dev_put() after skb xmit in tx().

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from [email protected]

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

Problem Types: CWE-416 | CWE-416 CWE-416 Use After Free

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1ADPDECLARED7HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7HIGHCVSS:3.1/AV:L/AC:H/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
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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 7562f876cd93800f2f8c89445f2a563590b24e09 ad80c34944d7175fa1f5c7a55066020002921a99 git Not specified
CNA Linux Linux affected 7562f876cd93800f2f8c89445f2a563590b24e09 1a54aa506b3b2f31496731039e49778f54eee881 git Not specified
CNA Linux Linux affected 7562f876cd93800f2f8c89445f2a563590b24e09 faf0b4c5e00bb680e8e43ac936df24d3f48c8e65 git Not specified
CNA Linux Linux affected 7562f876cd93800f2f8c89445f2a563590b24e09 7dd09fa80b0765ce68bfae92f4e2f395ccf0fba4 git Not specified
CNA Linux Linux affected 7562f876cd93800f2f8c89445f2a563590b24e09 74ca3ef68d2f449bc848c0a814cefc487bf755fa git Not specified
CNA Linux Linux affected 7562f876cd93800f2f8c89445f2a563590b24e09 eb48680b0255a9e8a9bdc93d6a55b11c31262e62 git Not specified
CNA Linux Linux affected 7562f876cd93800f2f8c89445f2a563590b24e09 079cba4f4e307c69878226fdf5228c20aa1c969c git Not specified
CNA Linux Linux affected 7562f876cd93800f2f8c89445f2a563590b24e09 a16fbb80064634b254520a46395e36b87ca4731e git Not specified
CNA Linux Linux affected 7562f876cd93800f2f8c89445f2a563590b24e09 f98364e926626c678fb4b9004b75cacf92ff0662 git Not specified
CNA Linux Linux affected 2.6.22 Not specified
CNA Linux Linux unaffected 2.6.22 semver Not specified
CNA Linux Linux unaffected 4.19.311 4.19.* semver Not specified
CNA Linux Linux unaffected 5.4.273 5.4.* semver Not specified
CNA Linux Linux unaffected 5.10.214 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.153 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.83 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.23 6.6.* semver Not specified
CNA Linux Linux unaffected 6.7.11 6.7.* semver Not specified
CNA Linux Linux unaffected 6.8.2 6.8.* semver Not specified
CNA Linux Linux unaffected 6.9 * original_commit_for_fix Not specified
ADP Linux Linux Kernel affected 2.6.22 Not specified
ADP Linux Linux Kernel affected 7562f876cd93 ad80c34944d7 git Not specified
ADP Linux Linux Kernel affected 7562f876cd93 1a54aa506b3b git Not specified
ADP Linux Linux Kernel affected 7562f876cd93 faf0b4c5e00b git Not specified
ADP Linux Linux Kernel affected 7562f876cd93 7dd09fa80b07 git Not specified
ADP Linux Linux Kernel affected 7562f876cd93 74ca3ef68d2f git Not specified
ADP Linux Linux Kernel affected 7562f876cd93 eb48680b0255 git Not specified
ADP Linux Linux Kernel affected 7562f876cd93 079cba4f4e30 git Not specified
ADP Linux Linux Kernel affected 7562f876cd93 a16fbb800646 git Not specified
ADP Linux Linux Kernel affected 7562f876cd93 f98364e92662 git Not specified
ADP Siemens SIMATIC S7-1500 TM MFP - GNU/Linux Subsystem affected * custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified

References

ReferenceSourceLinkTags
cert-portal.siemens.com/productcert/html/ssa-398330.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
git.kernel.org/stable/c/7dd09fa80b0765ce68bfae92f4e2f395ccf0fba4 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/74ca3ef68d2f449bc848c0a814cefc487bf755fa af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/f98364e926626c678fb4b9004b75cacf92ff0662 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2024/06/msg00017.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org
git.kernel.org/stable/c/079cba4f4e307c69878226fdf5228c20aa1c969c af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/eb48680b0255a9e8a9bdc93d6a55b11c31262e62 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
cert-portal.siemens.com/productcert/html/ssa-265688.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
git.kernel.org/stable/c/1a54aa506b3b2f31496731039e49778f54eee881 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/faf0b4c5e00bb680e8e43ac936df24d3f48c8e65 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/a16fbb80064634b254520a46395e36b87ca4731e af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2024/06/msg00020.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org
git.kernel.org/stable/c/ad80c34944d7175fa1f5c7a55066020002921a99 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
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