CVE-2021-47459
published 2024-05-22CVE-2021-47459: In the Linux kernel, the following vulnerability has been resolved: can: j1939: j1939_netdev_start(): fix UAF for rx_kref of j1939_priv It will trigger UAF for…
PriorityP337high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.22%
13.2th percentile
In the Linux kernel, the following vulnerability has been resolved:
can: j1939: j1939_netdev_start(): fix UAF for rx_kref of j1939_priv
It will trigger UAF for rx_kref of j1939_priv as following.
cpu0 cpu1
j1939_sk_bind(socket0, ndev0, ...)
j1939_netdev_start
j1939_sk_bind(socket1, ndev0, ...)
j1939_netdev_start
j1939_priv_set
j1939_priv_get_by_ndev_locked
j1939_jsk_add
.....
j1939_netdev_stop
kref_put_lock(&priv->rx_kref, ...)
kref_get(&priv->rx_kref, ...)
REFCOUNT_WARN("addition on 0;...")
refcount_t: addition on 0; use-after-free.
WARNING: CPU: 1 PID: 20874 at lib/refcount.c:25 refcount_warn_saturate+0x169/0x1e0
RIP: 0010:refcount_warn_saturate+0x169/0x1e0
Call Trace:
j1939_netdev_start+0x68b/0x920
j1939_sk_bind+0x426/0xeb0
? security_socket_bind+0x83/0xb0
The rx_kref's kref_get() and kref_put() should use j1939_netdev_lock to
protect.
Affected
14 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 5.14.16-1 (bookworm) | linux 5.14.16-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | >= 9d71dd0c70099914fcd063135da3c580865e924c < a0e47d2833b4f65e6c799f28c6b636d36b8b936d | a0e47d2833b4f65e6c799f28c6b636d36b8b936d |
| linux | linux | >= 9d71dd0c70099914fcd063135da3c580865e924c < 864e77771a24c877aaf53aee019f78619cbcd668 | 864e77771a24c877aaf53aee019f78619cbcd668 |
| linux | linux | >= 9d71dd0c70099914fcd063135da3c580865e924c < 6e8811707e2df0c6ba920f0cad3a3bca7b42132f | 6e8811707e2df0c6ba920f0cad3a3bca7b42132f |
| linux | linux | >= 9d71dd0c70099914fcd063135da3c580865e924c < d9d52a3ebd284882f5562c88e55991add5d01586 | d9d52a3ebd284882f5562c88e55991add5d01586 |
| linux | linux_kernel | — | — |
| linux | linux_kernel | >= 0 < 5.10.84-1 | 5.10.84-1 |
| linux | linux_kernel | >= 0 < 5.14.16-1 | 5.14.16-1 |
| linux | linux_kernel | >= 0 < 5.14.16-1 | 5.14.16-1 |
| linux | linux_kernel | >= 0 < 5.14.16-1 | 5.14.16-1 |
| linux | linux_kernel | >= 5.11 < 5.14.15 | 5.14.15 |
| linux | linux_kernel | >= 5.4 < 5.4.156 | 5.4.156 |
| linux | linux_kernel | >= 5.5 < 5.10.76 | 5.10.76 |
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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OSV
CVE-2021-47459: In the Linux kernel, the following vulnerability has been resolved: can: j1939: j1939_netdev_start(): fix UAF for rx_kref of j1939_priv It will trigge
osv·2024-05-22·CVSS 7.8
CVE-2021-47459 [HIGH] CVE-2021-47459: In the Linux kernel, the following vulnerability has been resolved: can: j1939: j1939_netdev_start(): fix UAF for rx_kref of j1939_priv It will trigge
In the Linux kernel, the following vulnerability has been resolved: can: j1939: j1939_netdev_start(): fix UAF for rx_kref of j1939_priv It will trigger UAF for rx_kref of j1939_priv as following. cpu0 cpu1 j1939_sk_bind(socket0, ndev0, ...) j1939_netdev_start j1939_sk_bind(socket1, ndev0, ...) j1939_netdev_start j1939_priv_set j1939_priv_get_by_ndev_locked j1939_jsk_add ..... j1939_netdev_stop kref_put_lock(&priv->rx_kref, ...) kref_get(&priv->rx_kref, ...) REFCOUNT_WARN("addition on 0;...") ==================================================== refcount_t: addition on 0; use-after-free. WARNING: CPU: 1 PID: 20874 at lib/refcount.c:25 refcount_warn_saturate+0x169/0x1e0 RIP: 0010:refcount_warn_saturate+0x169/0x1e0 Call Trace: j1939_netdev_start+0x68b/0x920 j1939_sk_bind+0x426/0xeb0 ? security
GHSA
GHSA-7xq6-r35j-j33m: In the Linux kernel, the following vulnerability has been resolved:
can: j1939: j1939_netdev_start(): fix UAF for rx_kref of j1939_priv
It will trig
ghsa_unreviewed·2024-05-22
CVE-2021-47459 [HIGH] CWE-416 GHSA-7xq6-r35j-j33m: In the Linux kernel, the following vulnerability has been resolved:
can: j1939: j1939_netdev_start(): fix UAF for rx_kref of j1939_priv
It will trig
In the Linux kernel, the following vulnerability has been resolved:
can: j1939: j1939_netdev_start(): fix UAF for rx_kref of j1939_priv
It will trigger UAF for rx_kref of j1939_priv as following.
cpu0 cpu1
j1939_sk_bind(socket0, ndev0, ...)
j1939_netdev_start
j1939_sk_bind(socket1, ndev0, ...)
j1939_netdev_start
j1939_priv_set
j1939_priv_get_by_ndev_locked
j1939_jsk_add
.....
j1939_netdev_stop
kref_put_lock(&priv->rx_kref, ...)
kref_get(&priv->rx_kref, ...)
REFCOUNT_WARN("addition on 0;...")
refcount_t: addition on 0; use-after-free.
WARNING: CPU: 1 PID: 20874 at lib/refcount.c:25 refcount_warn_saturate+0x169/0x1e0
RIP: 0010:refcount_warn_saturate+0x169/0x1e0
Call Trace:
j1939_netdev_start+0x68b/0x920
j1939_sk_bind+0x426/0xeb0
? security_socket_bind+0x83/0xb0
The rx_kref's kref_get()
Red Hat
kernel: can: j1939: j1939_netdev_start(): fix UAF for rx_kref of j1939_priv
vendor_redhat·2024-05-22·CVSS 7.8
CVE-2021-47459 [HIGH] CWE-416 kernel: can: j1939: j1939_netdev_start(): fix UAF for rx_kref of j1939_priv
kernel: can: j1939: j1939_netdev_start(): fix UAF for rx_kref of j1939_priv
In the Linux kernel, the following vulnerability has been resolved:
can: j1939: j1939_netdev_start(): fix UAF for rx_kref of j1939_priv
It will trigger UAF for rx_kref of j1939_priv as following.
cpu0 cpu1
j1939_sk_bind(socket0, ndev0, ...)
j1939_netdev_start
j1939_sk_bind(socket1, ndev0, ...)
j1939_netdev_start
j1939_priv_set
j1939_priv_get_by_ndev_locked
j1939_jsk_add
.....
j1939_netdev_stop
kref_put_lock(&priv->rx_kref, ...)
kref_get(&priv->rx_kref, ...)
REFCOUNT_WARN("addition on 0;...")
refcount_t: addition on 0; use-after-free.
WARNING: CPU: 1 PID: 20874 at lib/refcount.c:25 refcount_warn_saturate+0x169/0x1e0
RIP: 0010:refcount_warn_saturate+0x169/0x1e0
Call Trace:
j1939_netdev_start+0x68b/0x920
j1939_sk_bin
Debian
CVE-2021-47459: linux - In the Linux kernel, the following vulnerability has been resolved: can: j1939:...
vendor_debian·2021·CVSS 7.8
CVE-2021-47459 [HIGH] CVE-2021-47459: linux - In the Linux kernel, the following vulnerability has been resolved: can: j1939:...
In the Linux kernel, the following vulnerability has been resolved: can: j1939: j1939_netdev_start(): fix UAF for rx_kref of j1939_priv It will trigger UAF for rx_kref of j1939_priv as following. cpu0 cpu1 j1939_sk_bind(socket0, ndev0, ...) j1939_netdev_start j1939_sk_bind(socket1, ndev0, ...) j1939_netdev_start j1939_priv_set j1939_priv_get_by_ndev_locked j1939_jsk_add ..... j1939_netdev_stop kref_put_lock(&priv->rx_kref, ...) kref_get(&priv->rx_kref, ...) REFCOUNT_WARN("addition on 0;...") ==================================================== refcount_t: addition on 0; use-after-free. WARNING: CPU: 1 PID: 20874 at lib/refcount.c:25 refcount_warn_saturate+0x169/0x1e0 RIP: 0010:refcount_warn_saturate+0x169/0x1e0 Call Trace: j1939_netdev_start+0x68b/0x920 j1939_sk_bind+0x426/0xeb0 ? security
No detection rules found.
No public exploits indexed.
https://git.kernel.org/stable/c/6e8811707e2df0c6ba920f0cad3a3bca7b42132fhttps://git.kernel.org/stable/c/864e77771a24c877aaf53aee019f78619cbcd668https://git.kernel.org/stable/c/a0e47d2833b4f65e6c799f28c6b636d36b8b936dhttps://git.kernel.org/stable/c/d9d52a3ebd284882f5562c88e55991add5d01586https://git.kernel.org/stable/c/6e8811707e2df0c6ba920f0cad3a3bca7b42132fhttps://git.kernel.org/stable/c/864e77771a24c877aaf53aee019f78619cbcd668https://git.kernel.org/stable/c/a0e47d2833b4f65e6c799f28c6b636d36b8b936dhttps://git.kernel.org/stable/c/d9d52a3ebd284882f5562c88e55991add5d01586
2024-05-22
Published