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Description

In the Linux kernel, the following vulnerability has been resolved: esp: fix skb leak with espintcp and async crypto When the TX queue for espintcp is full, esp_output_tail_tcp will return an error and not free the skb, because with synchronous crypto, the common xfrm output code will drop the packet for us. With async crypto (esp_output_done), we need to drop the skb when esp_output_tail_tcp returns an error.

PUBLISHED Reserved 2026-03-09 | Published 2026-04-22 | Updated 2026-04-22 | Assigner Linux

Product status

Default status
unaffected

e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 (git) before aca3ad0c262f54a5b5c95dda80a48365997d1224
affected

e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 (git) before 41aafca57de4a4c026701622bd4648f112a9edcd
affected

e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 (git) before 4820847e036ff1035b01b69ad68dfc17e7028fe9
affected

e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 (git) before 6a3ec6efbc4f90e0ccb2e71574f07351f19996f4
affected

e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 (git) before df6f995358dc1f3c42484f5cfe241d7bd3e1cd15
affected

e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 (git) before 88d386243ed374ac969dabd3bbc1409a31d81818
affected

e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 (git) before 6aa9841d917532d0f2d932d1ff2f3a94305aaf47
affected

e27cca96cd68fa2c6814c90f9a1cfd36bb68c593 (git) before 0c0eef8ccd2413b0a10eb6bbd3442333b1e64dd2
affected

Default status
affected

5.6
affected

Any version before 5.6
unaffected

5.10.253 (semver)
unaffected

5.15.203 (semver)
unaffected

6.1.168 (semver)
unaffected

6.6.131 (semver)
unaffected

6.12.80 (semver)
unaffected

6.18.21 (semver)
unaffected

6.19.11 (semver)
unaffected

7.0 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/aca3ad0c262f54a5b5c95dda80a48365997d1224

git.kernel.org/...c/41aafca57de4a4c026701622bd4648f112a9edcd

git.kernel.org/...c/4820847e036ff1035b01b69ad68dfc17e7028fe9

git.kernel.org/...c/6a3ec6efbc4f90e0ccb2e71574f07351f19996f4

git.kernel.org/...c/df6f995358dc1f3c42484f5cfe241d7bd3e1cd15

git.kernel.org/...c/88d386243ed374ac969dabd3bbc1409a31d81818

git.kernel.org/...c/6aa9841d917532d0f2d932d1ff2f3a94305aaf47

git.kernel.org/...c/0c0eef8ccd2413b0a10eb6bbd3442333b1e64dd2

cve.org (CVE-2026-31518)

nvd.nist.gov (CVE-2026-31518)

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