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Message-ID: <2025022610-CVE-2022-49593-b98d@gregkh> Date: Wed, 26 Feb 2025 03:22:36 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: CVE-2022-49593: tcp: Fix a data-race around sysctl_tcp_probe_interval. Description =========== In the Linux kernel, the following vulnerability has been resolved: tcp: Fix a data-race around sysctl_tcp_probe_interval. While reading sysctl_tcp_probe_interval, it can be changed concurrently. Thus, we need to add READ_ONCE() to its reader. The Linux kernel CVE team has assigned CVE-2022-49593 to this issue. Affected and fixed versions =========================== Issue introduced in 4.1 with commit 05cbc0db03e82128f2e7e353d4194dd24a1627fe and fixed in 4.14.290 with commit 80dabd089086e6553b7acfcff2ec223bdada87a1 Issue introduced in 4.1 with commit 05cbc0db03e82128f2e7e353d4194dd24a1627fe and fixed in 4.19.254 with commit b3798d3519eda9c409bb0815b0102f27ec42468d Issue introduced in 4.1 with commit 05cbc0db03e82128f2e7e353d4194dd24a1627fe and fixed in 5.4.208 with commit 73a11588751a2c13f25d9da8117efc9a79b1843f Issue introduced in 4.1 with commit 05cbc0db03e82128f2e7e353d4194dd24a1627fe and fixed in 5.10.134 with commit c61aede097d350d890fa1edc9521b0072e14a0b8 Issue introduced in 4.1 with commit 05cbc0db03e82128f2e7e353d4194dd24a1627fe and fixed in 5.15.58 with commit e6b6f027e2854a51f345a5e3e808d7a88001d4f8 Issue introduced in 4.1 with commit 05cbc0db03e82128f2e7e353d4194dd24a1627fe and fixed in 5.18.15 with commit b14cc8afbbcbc6dce4797913c0b85266b897f541 Issue introduced in 4.1 with commit 05cbc0db03e82128f2e7e353d4194dd24a1627fe and fixed in 5.19 with commit 2a85388f1d94a9f8b5a529118a2c5eaa0520d85c Please see https://www.kernel.org for a full list of currently supported kernel versions by the kernel community. Unaffected versions might change over time as fixes are backported to older supported kernel versions. The official CVE entry at https://cve.org/CVERecord/?id=CVE-2022-49593 will be updated if fixes are backported, please check that for the most up to date information about this issue. Affected files ============== The file(s) affected by this issue are: net/ipv4/tcp_output.c Mitigation ========== The Linux kernel CVE team recommends that you update to the latest stable kernel version for this, and many other bugfixes. Individual changes are never tested alone, but rather are part of a larger kernel release. Cherry-picking individual commits is not recommended or supported by the Linux kernel community at all. If however, updating to the latest release is impossible, the individual changes to resolve this issue can be found at these commits: https://git.kernel.org/stable/c/80dabd089086e6553b7acfcff2ec223bdada87a1 https://git.kernel.org/stable/c/b3798d3519eda9c409bb0815b0102f27ec42468d https://git.kernel.org/stable/c/73a11588751a2c13f25d9da8117efc9a79b1843f https://git.kernel.org/stable/c/c61aede097d350d890fa1edc9521b0072e14a0b8 https://git.kernel.org/stable/c/e6b6f027e2854a51f345a5e3e808d7a88001d4f8 https://git.kernel.org/stable/c/b14cc8afbbcbc6dce4797913c0b85266b897f541 https://git.kernel.org/stable/c/2a85388f1d94a9f8b5a529118a2c5eaa0520d85c
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