CVE-2021-46991
published 2024-02-28CVE-2021-46991: In the Linux kernel, the following vulnerability has been resolved: i40e: Fix use-after-free in i40e_client_subtask() Currently the call to…
PriorityP337high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.24%
15.1th percentile
In the Linux kernel, the following vulnerability has been resolved:
i40e: Fix use-after-free in i40e_client_subtask()
Currently the call to i40e_client_del_instance frees the object
pf->cinst, however pf->cinst->lan_info is being accessed after
the free. Fix this by adding the missing return.
Addresses-Coverity: ("Read from pointer after free")
Affected
17 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 5.10.38-1 (bookworm) | linux 5.10.38-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | >= 7b0b1a6d0ac983ce1928432285d0222d4fb7c38b < c1322eaeb8af0d8985b5cc5fa759140fa0e57b84 | c1322eaeb8af0d8985b5cc5fa759140fa0e57b84 |
| linux | linux | >= 7b0b1a6d0ac983ce1928432285d0222d4fb7c38b < d718c15a2bf9ae082d5ae4d177fb19ef23cb4132 | d718c15a2bf9ae082d5ae4d177fb19ef23cb4132 |
| linux | linux | >= 7b0b1a6d0ac983ce1928432285d0222d4fb7c38b < 829a713450b8fb127cbabfc1244c1d8179ec5107 | 829a713450b8fb127cbabfc1244c1d8179ec5107 |
| linux | linux | >= 7b0b1a6d0ac983ce1928432285d0222d4fb7c38b < 4ebc10aa7cd17fd9857dedac69600465c9dd16d1 | 4ebc10aa7cd17fd9857dedac69600465c9dd16d1 |
| linux | linux | >= 7b0b1a6d0ac983ce1928432285d0222d4fb7c38b < 1fd5d262e7442192ac7611ff1597a36c5b044323 | 1fd5d262e7442192ac7611ff1597a36c5b044323 |
| linux | linux | >= 7b0b1a6d0ac983ce1928432285d0222d4fb7c38b < 38318f23a7ef86a8b1862e5e8078c4de121960c3 | 38318f23a7ef86a8b1862e5e8078c4de121960c3 |
| linux | linux_kernel | >= 0 < 5.10.38-1 | 5.10.38-1 |
| linux | linux_kernel | >= 0 < 5.10.38-1 | 5.10.38-1 |
| linux | linux_kernel | >= 0 < 5.10.38-1 | 5.10.38-1 |
| linux | linux_kernel | >= 0 < 5.10.38-1 | 5.10.38-1 |
| linux | linux_kernel | >= 4.16 < 4.19.191 | 4.19.191 |
| linux | linux_kernel | >= 4.20 < 5.4.120 | 5.4.120 |
| linux | linux_kernel | >= 5.11 < 5.11.22 | 5.11.22 |
| linux | linux_kernel | >= 5.12 < 5.12.5 | 5.12.5 |
| linux | linux_kernel | >= 5.5 < 5.10.38 | 5.10.38 |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
osv7.8HIGH
vendor_debian7.8HIGH
vendor_redhat7.8HIGH
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Red Hat
kernel: i40e: Fix use-after-free in i40e_client_subtask()
vendor_redhat·2024-02-28·CVSS 7.8
CVE-2021-46991 [HIGH] CWE-416 kernel: i40e: Fix use-after-free in i40e_client_subtask()
kernel: i40e: Fix use-after-free in i40e_client_subtask()
In the Linux kernel, the following vulnerability has been resolved:
i40e: Fix use-after-free in i40e_client_subtask()
Currently the call to i40e_client_del_instance frees the object
pf->cinst, however pf->cinst->lan_info is being accessed after
the free. Fix this by adding the missing return.
Addresses-Coverity: ("Read from pointer after free")
Package: kernel (Red Hat Enterprise Linux 6) - Out of support scope
Package: kernel (Red Hat Enterprise Linux 7) - Out of support scope
Package: kernel-rt (Red Hat Enterprise Linux 7) - Out of support scope
Package: kernel (Red Hat Enterprise Linux 8) - Not affected
Package: kernel-rt (Red Hat Enterprise Linux 8) - Not affected
Package: kernel (Red Hat Enterprise Linux 9) - Not affecte
Debian
CVE-2021-46991: linux - In the Linux kernel, the following vulnerability has been resolved: i40e: Fix u...
vendor_debian·2021·CVSS 7.8
CVE-2021-46991 [HIGH] CVE-2021-46991: linux - In the Linux kernel, the following vulnerability has been resolved: i40e: Fix u...
In the Linux kernel, the following vulnerability has been resolved: i40e: Fix use-after-free in i40e_client_subtask() Currently the call to i40e_client_del_instance frees the object pf->cinst, however pf->cinst->lan_info is being accessed after the free. Fix this by adding the missing return. Addresses-Coverity: ("Read from pointer after free")
Scope: local
bookworm: resolved (fixed in 5.10.38-1)
bullseye: resolved (fixed in 5.10.38-1)
forky: resolved (fixed in 5.10.38-1)
sid: resolved (fixed in 5.10.38-1)
trixie: resolved (fixed in 5.10.38-1)
GHSA
GHSA-73pj-jqmg-pmr5: In the Linux kernel, the following vulnerability has been resolved:
i40e: Fix use-after-free in i40e_client_subtask()
Currently the call to i40e_cli
ghsa_unreviewed·2024-02-28
CVE-2021-46991 [HIGH] CWE-416 GHSA-73pj-jqmg-pmr5: In the Linux kernel, the following vulnerability has been resolved:
i40e: Fix use-after-free in i40e_client_subtask()
Currently the call to i40e_cli
In the Linux kernel, the following vulnerability has been resolved:
i40e: Fix use-after-free in i40e_client_subtask()
Currently the call to i40e_client_del_instance frees the object
pf->cinst, however pf->cinst->lan_info is being accessed after
the free. Fix this by adding the missing return.
Addresses-Coverity: ("Read from pointer after free")
OSV
CVE-2021-46991: In the Linux kernel, the following vulnerability has been resolved: i40e: Fix use-after-free in i40e_client_subtask() Currently the call to i40e_clien
osv·2024-02-28·CVSS 7.8
CVE-2021-46991 [HIGH] CVE-2021-46991: In the Linux kernel, the following vulnerability has been resolved: i40e: Fix use-after-free in i40e_client_subtask() Currently the call to i40e_clien
In the Linux kernel, the following vulnerability has been resolved: i40e: Fix use-after-free in i40e_client_subtask() Currently the call to i40e_client_del_instance frees the object pf->cinst, however pf->cinst->lan_info is being accessed after the free. Fix this by adding the missing return. Addresses-Coverity: ("Read from pointer after free")
No detection rules found.
No public exploits indexed.
https://git.kernel.org/stable/c/1fd5d262e7442192ac7611ff1597a36c5b044323https://git.kernel.org/stable/c/38318f23a7ef86a8b1862e5e8078c4de121960c3https://git.kernel.org/stable/c/4ebc10aa7cd17fd9857dedac69600465c9dd16d1https://git.kernel.org/stable/c/829a713450b8fb127cbabfc1244c1d8179ec5107https://git.kernel.org/stable/c/c1322eaeb8af0d8985b5cc5fa759140fa0e57b84https://git.kernel.org/stable/c/d718c15a2bf9ae082d5ae4d177fb19ef23cb4132https://git.kernel.org/stable/c/1fd5d262e7442192ac7611ff1597a36c5b044323https://git.kernel.org/stable/c/38318f23a7ef86a8b1862e5e8078c4de121960c3https://git.kernel.org/stable/c/4ebc10aa7cd17fd9857dedac69600465c9dd16d1https://git.kernel.org/stable/c/829a713450b8fb127cbabfc1244c1d8179ec5107https://git.kernel.org/stable/c/c1322eaeb8af0d8985b5cc5fa759140fa0e57b84https://git.kernel.org/stable/c/d718c15a2bf9ae082d5ae4d177fb19ef23cb4132
2024-02-28
Published