CVE-2024-49982

aoe: fix the potential use-after-free problem in more places

State: Published
Severity: 8.8 High
Published: Oct 21, 2024
Updated: Oct 15, 2026
Reserved: Oct 21, 2024

Description

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

aoe: fix the potential use-after-free problem in more places

For fixing CVE-2023-6270, f98364e92662 ("aoe: fix the potential use-after-free problem in aoecmd_cfg_pkts") makes tx() calling dev_put() instead of doing in aoecmd_cfg_pkts(). It avoids that the tx() runs into use-after-free.

Then Nicolai Stange found more places in aoe have potential use-after-free problem with tx(). e.g. revalidate(), aoecmd_ata_rw(), resend(), probe() and aoecmd_cfg_rsp(). Those functions also use aoenet_xmit() to push packet to tx queue. So they should also use dev_hold() to increase the refcnt of skb->dev.

On the other hand, moving dev_put() to tx() causes that the refcnt of skb->dev be reduced to a negative value, because corresponding dev_hold() are not called in revalidate(), aoecmd_ata_rw(), resend(), probe(), and aoecmd_cfg_rsp(). This patch fixed this issue.

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	Linux

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	ad80c34944d7175fa1f5c7a55066020002921a99 to before 12f7b89dd72b25da4eeaa22097877963cad6418eAffected 1a54aa506b3b2f31496731039e49778f54eee881 to before a786265aecf39015418e4f930cc1c14603a01490Affected faf0b4c5e00bb680e8e43ac936df24d3f48c8e65 to before f63461af2c1a86af4217910e47a5c46e3372e645Affected 7dd09fa80b0765ce68bfae92f4e2f395ccf0fba4 to before 07b418d50ccbbca7e5d87a3a0d41d436cefebf79Affected 74ca3ef68d2f449bc848c0a814cefc487bf755fa to before bc2cbf7525ac288e07d465f5a1d8cb8fb9599254Affected eb48680b0255a9e8a9bdc93d6a55b11c31262e62 to before acc5103a0a8c200a52af7d732c36a8477436a3d3Affected f98364e926626c678fb4b9004b75cacf92ff0662 to before 89d9a69ae0c667e4d9d028028e2dcc837bae626fAffected f98364e926626c678fb4b9004b75cacf92ff0662 to before 8253a60c89ec35c8f36fb2cc08cdf854c7a3eb58Affected f98364e926626c678fb4b9004b75cacf92ff0662 to before 6d6e54fc71ad1ab0a87047fd9c211e75d86084a3Affected 079cba4f4e307c69878226fdf5228c20aa1c969cAffected a16fbb80064634b254520a46395e36b87ca4731eAffected 4.19.311 to before 4.19.323Affected 5.4.273 to before 5.4.285Affected 5.10.214 to before 5.10.227Affected 5.15.153 to before 5.15.168Affected 6.1.83 to before 6.1.113Affected 6.6.23 to before 6.6.55Affected 6.7.11 to before 6.8Affected 6.8.2 to before 6.9Affected
LinuxLinux	6.9Affected before 6.9Not affected 4.19.323 through 4.19.Not affected 5.4.285 through 5.4.Not affected 5.10.227 through 5.10.Not affected 5.15.168 through 5.15.Not affected 6.1.113 through 6.1.Not affected 6.6.55 through 6.6.Not affected 6.10.14 through 6.10.Not affected 6.11.3 through 6.11.Not affected 6.12 and laterNot affected

Product

Versions

LinuxLinux

ad80c34944d7175fa1f5c7a55066020002921a99 to before 12f7b89dd72b25da4eeaa22097877963cad6418eAffected
1a54aa506b3b2f31496731039e49778f54eee881 to before a786265aecf39015418e4f930cc1c14603a01490Affected
faf0b4c5e00bb680e8e43ac936df24d3f48c8e65 to before f63461af2c1a86af4217910e47a5c46e3372e645Affected
7dd09fa80b0765ce68bfae92f4e2f395ccf0fba4 to before 07b418d50ccbbca7e5d87a3a0d41d436cefebf79Affected
74ca3ef68d2f449bc848c0a814cefc487bf755fa to before bc2cbf7525ac288e07d465f5a1d8cb8fb9599254Affected
eb48680b0255a9e8a9bdc93d6a55b11c31262e62 to before acc5103a0a8c200a52af7d732c36a8477436a3d3Affected
f98364e926626c678fb4b9004b75cacf92ff0662 to before 89d9a69ae0c667e4d9d028028e2dcc837bae626fAffected
f98364e926626c678fb4b9004b75cacf92ff0662 to before 8253a60c89ec35c8f36fb2cc08cdf854c7a3eb58Affected
f98364e926626c678fb4b9004b75cacf92ff0662 to before 6d6e54fc71ad1ab0a87047fd9c211e75d86084a3Affected
079cba4f4e307c69878226fdf5228c20aa1c969cAffected
a16fbb80064634b254520a46395e36b87ca4731eAffected
4.19.311 to before 4.19.323Affected
5.4.273 to before 5.4.285Affected
5.10.214 to before 5.10.227Affected
5.15.153 to before 5.15.168Affected
6.1.83 to before 6.1.113Affected
6.6.23 to before 6.6.55Affected
6.7.11 to before 6.8Affected
6.8.2 to before 6.9Affected

LinuxLinux

6.9Affected
before 6.9Not affected
4.19.323 through 4.19.*Not affected
5.4.285 through 5.4.*Not affected
5.10.227 through 5.10.*Not affected
5.15.168 through 5.15.*Not affected
6.1.113 through 6.1.*Not affected
6.6.55 through 6.6.*Not affected
6.10.14 through 6.10.*Not affected
6.11.3 through 6.11.*Not affected
6.12 and laterNot affected

References

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